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Finding the Fourth Proportional to 63,242.57, 94,643.79 and 39,215.64

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Solution

The fourth proportional to 63,242.57, 94,643.79 and 39,215.64 is: 58,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,242.57 : 94,643.79 = 39,215.64 : x
  2. Step 2: Convert to fraction form
    63,242.57/94,643.79 = 39,215.64/x
  3. Step 3: Cross multiply
    63,242.57x = 94,643.79 × 39,215.64
  4. Step 4: Simplify right side
    63,242.57x = 3,711,517,225.32
  5. Step 5: Solve for x
    x = 3,711,517,225.32/63,242.57
  6. Step 6: Final answer
    x = 58,687.01

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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.