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Finding the Fourth Proportional to 44,320, 66,482.92 and 16,618.72

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Solution

The fourth proportional to 44,320, 66,482.92 and 16,618.72 is: 24,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,320 : 66,482.92 = 16,618.72 : x
  2. Step 2: Convert to fraction form
    44,320/66,482.92 = 16,618.72/x
  3. Step 3: Cross multiply
    44,320x = 66,482.92 × 16,618.72
  4. Step 4: Simplify right side
    44,320x = 1,104,861,032.26
  5. Step 5: Solve for x
    x = 1,104,861,032.26/44,320
  6. Step 6: Final answer
    x = 24,929.17

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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.