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Finding the Fourth Proportional to 66,648.05, 99,978.33 and 24,528.93

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Solution

The fourth proportional to 66,648.05, 99,978.33 and 24,528.93 is: 36,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,648.05 : 99,978.33 = 24,528.93 : x
  2. Step 2: Convert to fraction form
    66,648.05/99,978.33 = 24,528.93/x
  3. Step 3: Cross multiply
    66,648.05x = 99,978.33 × 24,528.93
  4. Step 4: Simplify right side
    66,648.05x = 2,452,361,175.15
  5. Step 5: Solve for x
    x = 2,452,361,175.15/66,648.05
  6. Step 6: Final answer
    x = 36,795.69

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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.