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Finding the Fourth Proportional to 61,482.97, 92,234.15 and 21,513.11

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Solution

The fourth proportional to 61,482.97, 92,234.15 and 21,513.11 is: 32,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,482.97 : 92,234.15 = 21,513.11 : x
  2. Step 2: Convert to fraction form
    61,482.97/92,234.15 = 21,513.11/x
  3. Step 3: Cross multiply
    61,482.97x = 92,234.15 × 21,513.11
  4. Step 4: Simplify right side
    61,482.97x = 1,984,243,307.14
  5. Step 5: Solve for x
    x = 1,984,243,307.14/61,482.97
  6. Step 6: Final answer
    x = 32,273.06

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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.