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Finding the Fourth Proportional to 8,341.79, 12,513.29 and 3,411.52

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Solution

The fourth proportional to 8,341.79, 12,513.29 and 3,411.52 is: 5,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.79 : 12,513.29 = 3,411.52 : x
  2. Step 2: Convert to fraction form
    8,341.79/12,513.29 = 3,411.52/x
  3. Step 3: Cross multiply
    8,341.79x = 12,513.29 × 3,411.52
  4. Step 4: Simplify right side
    8,341.79x = 42,689,290.76
  5. Step 5: Solve for x
    x = 42,689,290.76/8,341.79
  6. Step 6: Final answer
    x = 5,117.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.