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Finding the Fourth Proportional to 14,658.72, 21,988.08 and 9,737.96

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Solution

The fourth proportional to 14,658.72, 21,988.08 and 9,737.96 is: 14,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.72 : 21,988.08 = 9,737.96 : x
  2. Step 2: Convert to fraction form
    14,658.72/21,988.08 = 9,737.96/x
  3. Step 3: Cross multiply
    14,658.72x = 21,988.08 × 9,737.96
  4. Step 4: Simplify right side
    14,658.72x = 214,119,043.52
  5. Step 5: Solve for x
    x = 214,119,043.52/14,658.72
  6. Step 6: Final answer
    x = 14,606.94

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Similar ratio
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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.