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Finding the Fourth Proportional to 16,566.78, 24,841.65 and 4,878.48

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Solution

The fourth proportional to 16,566.78, 24,841.65 and 4,878.48 is: 7,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,566.78 : 24,841.65 = 4,878.48 : x
  2. Step 2: Convert to fraction form
    16,566.78/24,841.65 = 4,878.48/x
  3. Step 3: Cross multiply
    16,566.78x = 24,841.65 × 4,878.48
  4. Step 4: Simplify right side
    16,566.78x = 121,189,492.69
  5. Step 5: Solve for x
    x = 121,189,492.69/16,566.78
  6. Step 6: Final answer
    x = 7,315.21

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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.