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Finding the Fourth Proportional to 3,685.70, 5,534.12 and 1,498.70

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Solution

The fourth proportional to 3,685.70, 5,534.12 and 1,498.70 is: 2,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.70 : 5,534.12 = 1,498.70 : x
  2. Step 2: Convert to fraction form
    3,685.70/5,534.12 = 1,498.70/x
  3. Step 3: Cross multiply
    3,685.70x = 5,534.12 × 1,498.70
  4. Step 4: Simplify right side
    3,685.70x = 8,294,003.23
  5. Step 5: Solve for x
    x = 8,294,003.23/3,685.70
  6. Step 6: Final answer
    x = 2,250.32

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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.