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Finding the Fourth Proportional to 63,530.79, 95,304.98 and 21,422.93

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Solution

The fourth proportional to 63,530.79, 95,304.98 and 21,422.93 is: 32,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,530.79 : 95,304.98 = 21,422.93 : x
  2. Step 2: Convert to fraction form
    63,530.79/95,304.98 = 21,422.93/x
  3. Step 3: Cross multiply
    63,530.79x = 95,304.98 × 21,422.93
  4. Step 4: Simplify right side
    63,530.79x = 2,041,711,331.55
  5. Step 5: Solve for x
    x = 2,041,711,331.55/63,530.79
  6. Step 6: Final answer
    x = 32,137.35

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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.