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Finding the Fourth Proportional to 20,602.93, 30,898.32 and 10,737.13

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Solution

The fourth proportional to 20,602.93, 30,898.32 and 10,737.13 is: 16,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602.93 : 30,898.32 = 10,737.13 : x
  2. Step 2: Convert to fraction form
    20,602.93/30,898.32 = 10,737.13/x
  3. Step 3: Cross multiply
    20,602.93x = 30,898.32 × 10,737.13
  4. Step 4: Simplify right side
    20,602.93x = 331,759,278.62
  5. Step 5: Solve for x
    x = 331,759,278.62/20,602.93
  6. Step 6: Final answer
    x = 16,102.53

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1.5x scale

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.