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Finding the Fourth Proportional to 7,602.30, 11,403.45 and 7,310.70

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Solution

The fourth proportional to 7,602.30, 11,403.45 and 7,310.70 is: 10,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.30 : 11,403.45 = 7,310.70 : x
  2. Step 2: Convert to fraction form
    7,602.30/11,403.45 = 7,310.70/x
  3. Step 3: Cross multiply
    7,602.30x = 11,403.45 × 7,310.70
  4. Step 4: Simplify right side
    7,602.30x = 83,367,201.92
  5. Step 5: Solve for x
    x = 83,367,201.92/7,602.30
  6. Step 6: Final answer
    x = 10,966.05

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Similar ratio
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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.