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Finding the Fourth Proportional to 29,717.04, 44,574.48 and 8,940

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Solution

The fourth proportional to 29,717.04, 44,574.48 and 8,940 is: 13,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,717.04 : 44,574.48 = 8,940 : x
  2. Step 2: Convert to fraction form
    29,717.04/44,574.48 = 8,940/x
  3. Step 3: Cross multiply
    29,717.04x = 44,574.48 × 8,940
  4. Step 4: Simplify right side
    29,717.04x = 398,495,851.20
  5. Step 5: Solve for x
    x = 398,495,851.20/29,717.04
  6. Step 6: Final answer
    x = 13,409.68

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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.