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Finding the Fourth Proportional to 10,398.69, 15,592.89 and 5,955.66

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Solution

The fourth proportional to 10,398.69, 15,592.89 and 5,955.66 is: 8,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.69 : 15,592.89 = 5,955.66 : x
  2. Step 2: Convert to fraction form
    10,398.69/15,592.89 = 5,955.66/x
  3. Step 3: Cross multiply
    10,398.69x = 15,592.89 × 5,955.66
  4. Step 4: Simplify right side
    10,398.69x = 92,865,951.26
  5. Step 5: Solve for x
    x = 92,865,951.26/10,398.69
  6. Step 6: Final answer
    x = 8,930.54

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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.