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Finding the Fourth Proportional to 60,039.97, 90,059.84 and 56,386.31

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Solution

The fourth proportional to 60,039.97, 90,059.84 and 56,386.31 is: 84,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,039.97 : 90,059.84 = 56,386.31 : x
  2. Step 2: Convert to fraction form
    60,039.97/90,059.84 = 56,386.31/x
  3. Step 3: Cross multiply
    60,039.97x = 90,059.84 × 56,386.31
  4. Step 4: Simplify right side
    60,039.97x = 5,078,141,963.30
  5. Step 5: Solve for x
    x = 5,078,141,963.30/60,039.97
  6. Step 6: Final answer
    x = 84,579.36

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1.5x scale

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.