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Finding the Fourth Proportional to 9,850.55, 14,700.12 and 8,799.57

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Solution

The fourth proportional to 9,850.55, 14,700.12 and 8,799.57 is: 13,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850.55 : 14,700.12 = 8,799.57 : x
  2. Step 2: Convert to fraction form
    9,850.55/14,700.12 = 8,799.57/x
  3. Step 3: Cross multiply
    9,850.55x = 14,700.12 × 8,799.57
  4. Step 4: Simplify right side
    9,850.55x = 129,354,701.95
  5. Step 5: Solve for x
    x = 129,354,701.95/9,850.55
  6. Step 6: Final answer
    x = 13,131.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.