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Finding the Fourth Proportional to 7,599.60, 10,346.76 and 7,576.20

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Solution

The fourth proportional to 7,599.60, 10,346.76 and 7,576.20 is: 10,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.60 : 10,346.76 = 7,576.20 : x
  2. Step 2: Convert to fraction form
    7,599.60/10,346.76 = 7,576.20/x
  3. Step 3: Cross multiply
    7,599.60x = 10,346.76 × 7,576.20
  4. Step 4: Simplify right side
    7,599.60x = 78,389,123.11
  5. Step 5: Solve for x
    x = 78,389,123.11/7,599.60
  6. Step 6: Final answer
    x = 10,314.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.