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Finding the Fourth Proportional to 8,502.48, 12,666.04 and 8,244.56

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Solution

The fourth proportional to 8,502.48, 12,666.04 and 8,244.56 is: 12,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.48 : 12,666.04 = 8,244.56 : x
  2. Step 2: Convert to fraction form
    8,502.48/12,666.04 = 8,244.56/x
  3. Step 3: Cross multiply
    8,502.48x = 12,666.04 × 8,244.56
  4. Step 4: Simplify right side
    8,502.48x = 104,425,926.74
  5. Step 5: Solve for x
    x = 104,425,926.74/8,502.48
  6. Step 6: Final answer
    x = 12,281.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.