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Finding the Fourth Proportional to 32,663.78, 48,973.76 and 15,124.04

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Solution

The fourth proportional to 32,663.78, 48,973.76 and 15,124.04 is: 22,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,663.78 : 48,973.76 = 15,124.04 : x
  2. Step 2: Convert to fraction form
    32,663.78/48,973.76 = 15,124.04/x
  3. Step 3: Cross multiply
    32,663.78x = 48,973.76 × 15,124.04
  4. Step 4: Simplify right side
    32,663.78x = 740,681,105.19
  5. Step 5: Solve for x
    x = 740,681,105.19/32,663.78
  6. Step 6: Final answer
    x = 22,675.92

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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.