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Finding the Fourth Proportional to 16,501.68, 24,760.72 and 7,737.28

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Solution

The fourth proportional to 16,501.68, 24,760.72 and 7,737.28 is: 11,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,501.68 : 24,760.72 = 7,737.28 : x
  2. Step 2: Convert to fraction form
    16,501.68/24,760.72 = 7,737.28/x
  3. Step 3: Cross multiply
    16,501.68x = 24,760.72 × 7,737.28
  4. Step 4: Simplify right side
    16,501.68x = 191,580,623.64
  5. Step 5: Solve for x
    x = 191,580,623.64/16,501.68
  6. Step 6: Final answer
    x = 11,609.76

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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.