Home / 47,864.85-66,048.73-27,728.22

Finding the Fourth Proportional to 47,864.85, 66,048.73 and 27,728.22

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Solution

The fourth proportional to 47,864.85, 66,048.73 and 27,728.22 is: 38,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,864.85 : 66,048.73 = 27,728.22 : x
  2. Step 2: Convert to fraction form
    47,864.85/66,048.73 = 27,728.22/x
  3. Step 3: Cross multiply
    47,864.85x = 66,048.73 × 27,728.22
  4. Step 4: Simplify right side
    47,864.85x = 1,831,413,716.16
  5. Step 5: Solve for x
    x = 1,831,413,716.16/47,864.85
  6. Step 6: Final answer
    x = 38,262.18

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.