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Finding the Fourth Proportional to 61,860.54, 92,790.99 and 26,312.70

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Solution

The fourth proportional to 61,860.54, 92,790.99 and 26,312.70 is: 39,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,860.54 : 92,790.99 = 26,312.70 : x
  2. Step 2: Convert to fraction form
    61,860.54/92,790.99 = 26,312.70/x
  3. Step 3: Cross multiply
    61,860.54x = 92,790.99 × 26,312.70
  4. Step 4: Simplify right side
    61,860.54x = 2,441,581,482.57
  5. Step 5: Solve for x
    x = 2,441,581,482.57/61,860.54
  6. Step 6: Final answer
    x = 39,469.13

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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.