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Finding the Fourth Proportional to 61,881, 92,823.33 and 15,133.88

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Solution

The fourth proportional to 61,881, 92,823.33 and 15,133.88 is: 22,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881 : 92,823.33 = 15,133.88 : x
  2. Step 2: Convert to fraction form
    61,881/92,823.33 = 15,133.88/x
  3. Step 3: Cross multiply
    61,881x = 92,823.33 × 15,133.88
  4. Step 4: Simplify right side
    61,881x = 1,404,776,673.30
  5. Step 5: Solve for x
    x = 1,404,776,673.30/61,881
  6. Step 6: Final answer
    x = 22,701.26

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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.