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Finding the Fourth Proportional to 48,351.42, 66,724.74 and 27,130.74

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Solution

The fourth proportional to 48,351.42, 66,724.74 and 27,130.74 is: 37,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.42 : 66,724.74 = 27,130.74 : x
  2. Step 2: Convert to fraction form
    48,351.42/66,724.74 = 27,130.74/x
  3. Step 3: Cross multiply
    48,351.42x = 66,724.74 × 27,130.74
  4. Step 4: Simplify right side
    48,351.42x = 1,810,291,572.51
  5. Step 5: Solve for x
    x = 1,810,291,572.51/48,351.42
  6. Step 6: Final answer
    x = 37,440.30

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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.