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Finding the Fourth Proportional to 6,646.59, 9,958.11 and 6,251.48

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Solution

The fourth proportional to 6,646.59, 9,958.11 and 6,251.48 is: 9,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.59 : 9,958.11 = 6,251.48 : x
  2. Step 2: Convert to fraction form
    6,646.59/9,958.11 = 6,251.48/x
  3. Step 3: Cross multiply
    6,646.59x = 9,958.11 × 6,251.48
  4. Step 4: Simplify right side
    6,646.59x = 62,252,875.71
  5. Step 5: Solve for x
    x = 62,252,875.71/6,646.59
  6. Step 6: Final answer
    x = 9,366.14

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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.