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Finding the Fourth Proportional to 41,878.32, 62,792.88 and 16,919.16

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Solution

The fourth proportional to 41,878.32, 62,792.88 and 16,919.16 is: 25,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878.32 : 62,792.88 = 16,919.16 : x
  2. Step 2: Convert to fraction form
    41,878.32/62,792.88 = 16,919.16/x
  3. Step 3: Cross multiply
    41,878.32x = 62,792.88 × 16,919.16
  4. Step 4: Simplify right side
    41,878.32x = 1,062,402,783.58
  5. Step 5: Solve for x
    x = 1,062,402,783.58/41,878.32
  6. Step 6: Final answer
    x = 25,368.80

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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.