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Finding the Fourth Proportional to 25,495.92, 38,260.08 and 9,913.68

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Solution

The fourth proportional to 25,495.92, 38,260.08 and 9,913.68 is: 14,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.92 : 38,260.08 = 9,913.68 : x
  2. Step 2: Convert to fraction form
    25,495.92/38,260.08 = 9,913.68/x
  3. Step 3: Cross multiply
    25,495.92x = 38,260.08 × 9,913.68
  4. Step 4: Simplify right side
    25,495.92x = 379,298,189.89
  5. Step 5: Solve for x
    x = 379,298,189.89/25,495.92
  6. Step 6: Final answer
    x = 14,876.82

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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.