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Finding the Fourth Proportional to 17,281.92, 25,948.80 and 9,894.72

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Solution

The fourth proportional to 17,281.92, 25,948.80 and 9,894.72 is: 14,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.92 : 25,948.80 = 9,894.72 : x
  2. Step 2: Convert to fraction form
    17,281.92/25,948.80 = 9,894.72/x
  3. Step 3: Cross multiply
    17,281.92x = 25,948.80 × 9,894.72
  4. Step 4: Simplify right side
    17,281.92x = 256,756,110.34
  5. Step 5: Solve for x
    x = 256,756,110.34/17,281.92
  6. Step 6: Final answer
    x = 14,856.92

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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.