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Finding the Fourth Proportional to 6,636.60, 9,154.62 and 5,750.87

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Solution

The fourth proportional to 6,636.60, 9,154.62 and 5,750.87 is: 7,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.60 : 9,154.62 = 5,750.87 : x
  2. Step 2: Convert to fraction form
    6,636.60/9,154.62 = 5,750.87/x
  3. Step 3: Cross multiply
    6,636.60x = 9,154.62 × 5,750.87
  4. Step 4: Simplify right side
    6,636.60x = 52,646,983.75
  5. Step 5: Solve for x
    x = 52,646,983.75/6,636.60
  6. Step 6: Final answer
    x = 7,932.82

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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.