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Finding the Fourth Proportional to 8,507.01, 12,757.06 and 2,959.18

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Solution

The fourth proportional to 8,507.01, 12,757.06 and 2,959.18 is: 4,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.01 : 12,757.06 = 2,959.18 : x
  2. Step 2: Convert to fraction form
    8,507.01/12,757.06 = 2,959.18/x
  3. Step 3: Cross multiply
    8,507.01x = 12,757.06 × 2,959.18
  4. Step 4: Simplify right side
    8,507.01x = 37,750,436.81
  5. Step 5: Solve for x
    x = 37,750,436.81/8,507.01
  6. Step 6: Final answer
    x = 4,437.57

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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.