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Finding the Fourth Proportional to 66,479.16, 99,689.51 and 24,897

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Solution

The fourth proportional to 66,479.16, 99,689.51 and 24,897 is: 37,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,479.16 : 99,689.51 = 24,897 : x
  2. Step 2: Convert to fraction form
    66,479.16/99,689.51 = 24,897/x
  3. Step 3: Cross multiply
    66,479.16x = 99,689.51 × 24,897
  4. Step 4: Simplify right side
    66,479.16x = 2,481,969,605.99
  5. Step 5: Solve for x
    x = 2,481,969,605.99/66,479.16
  6. Step 6: Final answer
    x = 37,334.55

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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.