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Finding the Fourth Proportional to 9,132.76, 12,624.65 and 6,502.89

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Solution

The fourth proportional to 9,132.76, 12,624.65 and 6,502.89 is: 8,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.76 : 12,624.65 = 6,502.89 : x
  2. Step 2: Convert to fraction form
    9,132.76/12,624.65 = 6,502.89/x
  3. Step 3: Cross multiply
    9,132.76x = 12,624.65 × 6,502.89
  4. Step 4: Simplify right side
    9,132.76x = 82,096,749.45
  5. Step 5: Solve for x
    x = 82,096,749.45/9,132.76
  6. Step 6: Final answer
    x = 8,989.26

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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.