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Finding the Fourth Proportional to 45,559.32, 62,874 and 27,656.16

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Solution

The fourth proportional to 45,559.32, 62,874 and 27,656.16 is: 38,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,559.32 : 62,874 = 27,656.16 : x
  2. Step 2: Convert to fraction form
    45,559.32/62,874 = 27,656.16/x
  3. Step 3: Cross multiply
    45,559.32x = 62,874 × 27,656.16
  4. Step 4: Simplify right side
    45,559.32x = 1,738,853,403.84
  5. Step 5: Solve for x
    x = 1,738,853,403.84/45,559.32
  6. Step 6: Final answer
    x = 38,166.80

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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.