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Finding the Fourth Proportional to 25,935.40, 38,898.81 and 9,292.96

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Solution

The fourth proportional to 25,935.40, 38,898.81 and 9,292.96 is: 13,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.40 : 38,898.81 = 9,292.96 : x
  2. Step 2: Convert to fraction form
    25,935.40/38,898.81 = 9,292.96/x
  3. Step 3: Cross multiply
    25,935.40x = 38,898.81 × 9,292.96
  4. Step 4: Simplify right side
    25,935.40x = 361,485,085.38
  5. Step 5: Solve for x
    x = 361,485,085.38/25,935.40
  6. Step 6: Final answer
    x = 13,937.90

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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.