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Finding the Fourth Proportional to 1,657.24, 2,484.02 and 836.24

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Solution

The fourth proportional to 1,657.24, 2,484.02 and 836.24 is: 1,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.24 : 2,484.02 = 836.24 : x
  2. Step 2: Convert to fraction form
    1,657.24/2,484.02 = 836.24/x
  3. Step 3: Cross multiply
    1,657.24x = 2,484.02 × 836.24
  4. Step 4: Simplify right side
    1,657.24x = 2,077,236.88
  5. Step 5: Solve for x
    x = 2,077,236.88/1,657.24
  6. Step 6: Final answer
    x = 1,253.43

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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.