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Finding the Fourth Proportional to 61,821.84, 92,710.80 and 22,368.72

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Solution

The fourth proportional to 61,821.84, 92,710.80 and 22,368.72 is: 33,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821.84 : 92,710.80 = 22,368.72 : x
  2. Step 2: Convert to fraction form
    61,821.84/92,710.80 = 22,368.72/x
  3. Step 3: Cross multiply
    61,821.84x = 92,710.80 × 22,368.72
  4. Step 4: Simplify right side
    61,821.84x = 2,073,821,926.18
  5. Step 5: Solve for x
    x = 2,073,821,926.18/61,821.84
  6. Step 6: Final answer
    x = 33,545.13

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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.