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Finding the Fourth Proportional to 1,652.42, 2,479.04 and 1,166.42

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Solution

The fourth proportional to 1,652.42, 2,479.04 and 1,166.42 is: 1,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.42 : 2,479.04 = 1,166.42 : x
  2. Step 2: Convert to fraction form
    1,652.42/2,479.04 = 1,166.42/x
  3. Step 3: Cross multiply
    1,652.42x = 2,479.04 × 1,166.42
  4. Step 4: Simplify right side
    1,652.42x = 2,891,583.61
  5. Step 5: Solve for x
    x = 2,891,583.61/1,652.42
  6. Step 6: Final answer
    x = 1,749.91

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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.