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Finding the Fourth Proportional to 10,599.92, 15,905.40 and 5,335.76

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Solution

The fourth proportional to 10,599.92, 15,905.40 and 5,335.76 is: 8,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.92 : 15,905.40 = 5,335.76 : x
  2. Step 2: Convert to fraction form
    10,599.92/15,905.40 = 5,335.76/x
  3. Step 3: Cross multiply
    10,599.92x = 15,905.40 × 5,335.76
  4. Step 4: Simplify right side
    10,599.92x = 84,867,397.10
  5. Step 5: Solve for x
    x = 84,867,397.10/10,599.92
  6. Step 6: Final answer
    x = 8,006.42

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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.