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Finding the Fourth Proportional to 9,972.74, 14,991.96 and 8,332.49

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Solution

The fourth proportional to 9,972.74, 14,991.96 and 8,332.49 is: 12,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.74 : 14,991.96 = 8,332.49 : x
  2. Step 2: Convert to fraction form
    9,972.74/14,991.96 = 8,332.49/x
  3. Step 3: Cross multiply
    9,972.74x = 14,991.96 × 8,332.49
  4. Step 4: Simplify right side
    9,972.74x = 124,920,356.78
  5. Step 5: Solve for x
    x = 124,920,356.78/9,972.74
  6. Step 6: Final answer
    x = 12,526.18

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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.