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Finding the Fourth Proportional to 34,661.61, 47,833.05 and 18,746.04

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Solution

The fourth proportional to 34,661.61, 47,833.05 and 18,746.04 is: 25,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,661.61 : 47,833.05 = 18,746.04 : x
  2. Step 2: Convert to fraction form
    34,661.61/47,833.05 = 18,746.04/x
  3. Step 3: Cross multiply
    34,661.61x = 47,833.05 × 18,746.04
  4. Step 4: Simplify right side
    34,661.61x = 896,680,268.62
  5. Step 5: Solve for x
    x = 896,680,268.62/34,661.61
  6. Step 6: Final answer
    x = 25,869.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.