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Finding the Fourth Proportional to 8,906.55, 13,358.69 and 2,332.71

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Solution

The fourth proportional to 8,906.55, 13,358.69 and 2,332.71 is: 3,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.55 : 13,358.69 = 2,332.71 : x
  2. Step 2: Convert to fraction form
    8,906.55/13,358.69 = 2,332.71/x
  3. Step 3: Cross multiply
    8,906.55x = 13,358.69 × 2,332.71
  4. Step 4: Simplify right side
    8,906.55x = 31,161,938.09
  5. Step 5: Solve for x
    x = 31,161,938.09/8,906.55
  6. Step 6: Final answer
    x = 3,498.77

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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.