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Finding the Fourth Proportional to 31,510.50, 43,476.98 and 17,895.54

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Solution

The fourth proportional to 31,510.50, 43,476.98 and 17,895.54 is: 24,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.50 : 43,476.98 = 17,895.54 : x
  2. Step 2: Convert to fraction form
    31,510.50/43,476.98 = 17,895.54/x
  3. Step 3: Cross multiply
    31,510.50x = 43,476.98 × 17,895.54
  4. Step 4: Simplify right side
    31,510.50x = 778,044,034.67
  5. Step 5: Solve for x
    x = 778,044,034.67/31,510.50
  6. Step 6: Final answer
    x = 24,691.58

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