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Finding the Fourth Proportional to 8,332.68, 12,504.42 and 3,955.08

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Solution

The fourth proportional to 8,332.68, 12,504.42 and 3,955.08 is: 5,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.68 : 12,504.42 = 3,955.08 : x
  2. Step 2: Convert to fraction form
    8,332.68/12,504.42 = 3,955.08/x
  3. Step 3: Cross multiply
    8,332.68x = 12,504.42 × 3,955.08
  4. Step 4: Simplify right side
    8,332.68x = 49,455,981.45
  5. Step 5: Solve for x
    x = 49,455,981.45/8,332.68
  6. Step 6: Final answer
    x = 5,935.18

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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.