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Finding the Fourth Proportional to 8,472.59, 11,666.08 and 7,526.74

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Solution

The fourth proportional to 8,472.59, 11,666.08 and 7,526.74 is: 10,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.59 : 11,666.08 = 7,526.74 : x
  2. Step 2: Convert to fraction form
    8,472.59/11,666.08 = 7,526.74/x
  3. Step 3: Cross multiply
    8,472.59x = 11,666.08 × 7,526.74
  4. Step 4: Simplify right side
    8,472.59x = 87,807,550.98
  5. Step 5: Solve for x
    x = 87,807,550.98/8,472.59
  6. Step 6: Final answer
    x = 10,363.72

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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.