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Finding the Fourth Proportional to 63,159.08, 87,191.04 and 39,293.44

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Solution

The fourth proportional to 63,159.08, 87,191.04 and 39,293.44 is: 54,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,159.08 : 87,191.04 = 39,293.44 : x
  2. Step 2: Convert to fraction form
    63,159.08/87,191.04 = 39,293.44/x
  3. Step 3: Cross multiply
    63,159.08x = 87,191.04 × 39,293.44
  4. Step 4: Simplify right side
    63,159.08x = 3,426,035,898.78
  5. Step 5: Solve for x
    x = 3,426,035,898.78/63,159.08
  6. Step 6: Final answer
    x = 54,244.55

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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.