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Finding the Fourth Proportional to 8,908.52, 12,295.10 and 5,373.68

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Solution

The fourth proportional to 8,908.52, 12,295.10 and 5,373.68 is: 7,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.52 : 12,295.10 = 5,373.68 : x
  2. Step 2: Convert to fraction form
    8,908.52/12,295.10 = 5,373.68/x
  3. Step 3: Cross multiply
    8,908.52x = 12,295.10 × 5,373.68
  4. Step 4: Simplify right side
    8,908.52x = 66,069,932.97
  5. Step 5: Solve for x
    x = 66,069,932.97/8,908.52
  6. Step 6: Final answer
    x = 7,416.49

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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.