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Finding the Fourth Proportional to 10,394.10, 15,591.15 and 2,602.92

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Solution

The fourth proportional to 10,394.10, 15,591.15 and 2,602.92 is: 3,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.10 : 15,591.15 = 2,602.92 : x
  2. Step 2: Convert to fraction form
    10,394.10/15,591.15 = 2,602.92/x
  3. Step 3: Cross multiply
    10,394.10x = 15,591.15 × 2,602.92
  4. Step 4: Simplify right side
    10,394.10x = 40,582,516.16
  5. Step 5: Solve for x
    x = 40,582,516.16/10,394.10
  6. Step 6: Final answer
    x = 3,904.38

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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.