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Finding the Fourth Proportional to 44,551.22, 66,931.31 and 42,029.28

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Solution

The fourth proportional to 44,551.22, 66,931.31 and 42,029.28 is: 63,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,551.22 : 66,931.31 = 42,029.28 : x
  2. Step 2: Convert to fraction form
    44,551.22/66,931.31 = 42,029.28/x
  3. Step 3: Cross multiply
    44,551.22x = 66,931.31 × 42,029.28
  4. Step 4: Simplify right side
    44,551.22x = 2,813,074,873.83
  5. Step 5: Solve for x
    x = 2,813,074,873.83/44,551.22
  6. Step 6: Final answer
    x = 63,142.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.