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Finding the Fourth Proportional to 6,959.67, 10,445.31 and 6,521.76

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Solution

The fourth proportional to 6,959.67, 10,445.31 and 6,521.76 is: 9,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.67 : 10,445.31 = 6,521.76 : x
  2. Step 2: Convert to fraction form
    6,959.67/10,445.31 = 6,521.76/x
  3. Step 3: Cross multiply
    6,959.67x = 10,445.31 × 6,521.76
  4. Step 4: Simplify right side
    6,959.67x = 68,121,804.95
  5. Step 5: Solve for x
    x = 68,121,804.95/6,959.67
  6. Step 6: Final answer
    x = 9,788.08

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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.