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Finding the Fourth Proportional to 9,292.95, 13,939.43 and 9,292.95

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Solution

The fourth proportional to 9,292.95, 13,939.43 and 9,292.95 is: 13,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.95 : 13,939.43 = 9,292.95 : x
  2. Step 2: Convert to fraction form
    9,292.95/13,939.43 = 9,292.95/x
  3. Step 3: Cross multiply
    9,292.95x = 13,939.43 × 9,292.95
  4. Step 4: Simplify right side
    9,292.95x = 129,538,379.55
  5. Step 5: Solve for x
    x = 129,538,379.55/9,292.95
  6. Step 6: Final answer
    x = 13,939.43

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Similar ratio
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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.