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Finding the Fourth Proportional to 9,263.92, 13,909.72 and 9,125.52

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Solution

The fourth proportional to 9,263.92, 13,909.72 and 9,125.52 is: 13,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.92 : 13,909.72 = 9,125.52 : x
  2. Step 2: Convert to fraction form
    9,263.92/13,909.72 = 9,125.52/x
  3. Step 3: Cross multiply
    9,263.92x = 13,909.72 × 9,125.52
  4. Step 4: Simplify right side
    9,263.92x = 126,933,461.58
  5. Step 5: Solve for x
    x = 126,933,461.58/9,263.92
  6. Step 6: Final answer
    x = 13,701.92

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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.