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Finding the Fourth Proportional to 69,963.56, 96,552.32 and 39,754.01

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Solution

The fourth proportional to 69,963.56, 96,552.32 and 39,754.01 is: 54,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,963.56 : 96,552.32 = 39,754.01 : x
  2. Step 2: Convert to fraction form
    69,963.56/96,552.32 = 39,754.01/x
  3. Step 3: Cross multiply
    69,963.56x = 96,552.32 × 39,754.01
  4. Step 4: Simplify right side
    69,963.56x = 3,838,341,511.43
  5. Step 5: Solve for x
    x = 3,838,341,511.43/69,963.56
  6. Step 6: Final answer
    x = 54,862.01

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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.