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Finding the Fourth Proportional to 63,850.01, 88,070.78 and 39,935.16

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Solution

The fourth proportional to 63,850.01, 88,070.78 and 39,935.16 is: 55,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,850.01 : 88,070.78 = 39,935.16 : x
  2. Step 2: Convert to fraction form
    63,850.01/88,070.78 = 39,935.16/x
  3. Step 3: Cross multiply
    63,850.01x = 88,070.78 × 39,935.16
  4. Step 4: Simplify right side
    63,850.01x = 3,517,120,490.95
  5. Step 5: Solve for x
    x = 3,517,120,490.95/63,850.01
  6. Step 6: Final answer
    x = 55,084.11

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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.