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Finding the Fourth Proportional to 8,959.95, 12,350.34 and 7,068.33

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Solution

The fourth proportional to 8,959.95, 12,350.34 and 7,068.33 is: 9,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.95 : 12,350.34 = 7,068.33 : x
  2. Step 2: Convert to fraction form
    8,959.95/12,350.34 = 7,068.33/x
  3. Step 3: Cross multiply
    8,959.95x = 12,350.34 × 7,068.33
  4. Step 4: Simplify right side
    8,959.95x = 87,296,278.73
  5. Step 5: Solve for x
    x = 87,296,278.73/8,959.95
  6. Step 6: Final answer
    x = 9,742.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.