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Finding the Fourth Proportional to 6,972.08, 10,458.05 and 1,707.11

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Solution

The fourth proportional to 6,972.08, 10,458.05 and 1,707.11 is: 2,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.08 : 10,458.05 = 1,707.11 : x
  2. Step 2: Convert to fraction form
    6,972.08/10,458.05 = 1,707.11/x
  3. Step 3: Cross multiply
    6,972.08x = 10,458.05 × 1,707.11
  4. Step 4: Simplify right side
    6,972.08x = 17,853,033.20
  5. Step 5: Solve for x
    x = 17,853,033.20/6,972.08
  6. Step 6: Final answer
    x = 2,560.65

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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.