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Finding the Fourth Proportional to 9,242.60, 12,754.06 and 5,262.93

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Solution

The fourth proportional to 9,242.60, 12,754.06 and 5,262.93 is: 7,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.60 : 12,754.06 = 5,262.93 : x
  2. Step 2: Convert to fraction form
    9,242.60/12,754.06 = 5,262.93/x
  3. Step 3: Cross multiply
    9,242.60x = 12,754.06 × 5,262.93
  4. Step 4: Simplify right side
    9,242.60x = 67,123,711.84
  5. Step 5: Solve for x
    x = 67,123,711.84/9,242.60
  6. Step 6: Final answer
    x = 7,262.43

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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.