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Finding the Fourth Proportional to 7,359.60, 10,155.12 and 4,375.38

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Solution

The fourth proportional to 7,359.60, 10,155.12 and 4,375.38 is: 6,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.60 : 10,155.12 = 4,375.38 : x
  2. Step 2: Convert to fraction form
    7,359.60/10,155.12 = 4,375.38/x
  3. Step 3: Cross multiply
    7,359.60x = 10,155.12 × 4,375.38
  4. Step 4: Simplify right side
    7,359.60x = 44,432,508.95
  5. Step 5: Solve for x
    x = 44,432,508.95/7,359.60
  6. Step 6: Final answer
    x = 6,037.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.