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Finding the Fourth Proportional to 8,830.97, 13,309.95 and 7,613.08

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Solution

The fourth proportional to 8,830.97, 13,309.95 and 7,613.08 is: 11,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.97 : 13,309.95 = 7,613.08 : x
  2. Step 2: Convert to fraction form
    8,830.97/13,309.95 = 7,613.08/x
  3. Step 3: Cross multiply
    8,830.97x = 13,309.95 × 7,613.08
  4. Step 4: Simplify right side
    8,830.97x = 101,329,680.87
  5. Step 5: Solve for x
    x = 101,329,680.87/8,830.97
  6. Step 6: Final answer
    x = 11,474.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.