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Finding the Fourth Proportional to 34,737.86, 47,932.16 and 20,594.18

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Solution

The fourth proportional to 34,737.86, 47,932.16 and 20,594.18 is: 28,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,737.86 : 47,932.16 = 20,594.18 : x
  2. Step 2: Convert to fraction form
    34,737.86/47,932.16 = 20,594.18/x
  3. Step 3: Cross multiply
    34,737.86x = 47,932.16 × 20,594.18
  4. Step 4: Simplify right side
    34,737.86x = 987,123,530.83
  5. Step 5: Solve for x
    x = 987,123,530.83/34,737.86
  6. Step 6: Final answer
    x = 28,416.36

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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.