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Finding the Fourth Proportional to 21,537.86, 32,288.87 and 6,737.54

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Solution

The fourth proportional to 21,537.86, 32,288.87 and 6,737.54 is: 10,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.86 : 32,288.87 = 6,737.54 : x
  2. Step 2: Convert to fraction form
    21,537.86/32,288.87 = 6,737.54/x
  3. Step 3: Cross multiply
    21,537.86x = 32,288.87 × 6,737.54
  4. Step 4: Simplify right side
    21,537.86x = 217,547,553.18
  5. Step 5: Solve for x
    x = 217,547,553.18/21,537.86
  6. Step 6: Final answer
    x = 10,100.70

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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.