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Finding the Fourth Proportional to 10,602.60, 15,901.46 and 4,760.88

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Solution

The fourth proportional to 10,602.60, 15,901.46 and 4,760.88 is: 7,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.60 : 15,901.46 = 4,760.88 : x
  2. Step 2: Convert to fraction form
    10,602.60/15,901.46 = 4,760.88/x
  3. Step 3: Cross multiply
    10,602.60x = 15,901.46 × 4,760.88
  4. Step 4: Simplify right side
    10,602.60x = 75,704,942.88
  5. Step 5: Solve for x
    x = 75,704,942.88/10,602.60
  6. Step 6: Final answer
    x = 7,140.22

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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.