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Finding the Fourth Proportional to 10,566.55, 15,850.19 and 5,017.03

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Solution

The fourth proportional to 10,566.55, 15,850.19 and 5,017.03 is: 7,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.55 : 15,850.19 = 5,017.03 : x
  2. Step 2: Convert to fraction form
    10,566.55/15,850.19 = 5,017.03/x
  3. Step 3: Cross multiply
    10,566.55x = 15,850.19 × 5,017.03
  4. Step 4: Simplify right side
    10,566.55x = 79,520,878.74
  5. Step 5: Solve for x
    x = 79,520,878.74/10,566.55
  6. Step 6: Final answer
    x = 7,525.72

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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.