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Finding the Fourth Proportional to 66,449.98, 99,675.42 and 16,530.13

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Solution

The fourth proportional to 66,449.98, 99,675.42 and 16,530.13 is: 24,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449.98 : 99,675.42 = 16,530.13 : x
  2. Step 2: Convert to fraction form
    66,449.98/99,675.42 = 16,530.13/x
  3. Step 3: Cross multiply
    66,449.98x = 99,675.42 × 16,530.13
  4. Step 4: Simplify right side
    66,449.98x = 1,647,647,650.40
  5. Step 5: Solve for x
    x = 1,647,647,650.40/66,449.98
  6. Step 6: Final answer
    x = 24,795.31

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1.5x scale

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.