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Finding the Fourth Proportional to 9,462.50, 14,116.36 and 8,791.28

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Solution

The fourth proportional to 9,462.50, 14,116.36 and 8,791.28 is: 13,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,462.50 : 14,116.36 = 8,791.28 : x
  2. Step 2: Convert to fraction form
    9,462.50/14,116.36 = 8,791.28/x
  3. Step 3: Cross multiply
    9,462.50x = 14,116.36 × 8,791.28
  4. Step 4: Simplify right side
    9,462.50x = 124,100,873.34
  5. Step 5: Solve for x
    x = 124,100,873.34/9,462.50
  6. Step 6: Final answer
    x = 13,115.02

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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.