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Finding the Fourth Proportional to 41,340.91, 61,962.15 and 28,792.99

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Solution

The fourth proportional to 41,340.91, 61,962.15 and 28,792.99 is: 43,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,340.91 : 61,962.15 = 28,792.99 : x
  2. Step 2: Convert to fraction form
    41,340.91/61,962.15 = 28,792.99/x
  3. Step 3: Cross multiply
    41,340.91x = 61,962.15 × 28,792.99
  4. Step 4: Simplify right side
    41,340.91x = 1,784,075,565.33
  5. Step 5: Solve for x
    x = 1,784,075,565.33/41,340.91
  6. Step 6: Final answer
    x = 43,155.21

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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.