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Finding the Fourth Proportional to 19,652.38, 29,478.65 and 10,295.17

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Solution

The fourth proportional to 19,652.38, 29,478.65 and 10,295.17 is: 15,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.38 : 29,478.65 = 10,295.17 : x
  2. Step 2: Convert to fraction form
    19,652.38/29,478.65 = 10,295.17/x
  3. Step 3: Cross multiply
    19,652.38x = 29,478.65 × 10,295.17
  4. Step 4: Simplify right side
    19,652.38x = 303,487,587.95
  5. Step 5: Solve for x
    x = 303,487,587.95/19,652.38
  6. Step 6: Final answer
    x = 15,442.79

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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.