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Finding the Fourth Proportional to 3,351.70, 5,026.65 and 1,011.70

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Solution

The fourth proportional to 3,351.70, 5,026.65 and 1,011.70 is: 1,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.70 : 5,026.65 = 1,011.70 : x
  2. Step 2: Convert to fraction form
    3,351.70/5,026.65 = 1,011.70/x
  3. Step 3: Cross multiply
    3,351.70x = 5,026.65 × 1,011.70
  4. Step 4: Simplify right side
    3,351.70x = 5,085,461.81
  5. Step 5: Solve for x
    x = 5,085,461.81/3,351.70
  6. Step 6: Final answer
    x = 1,517.28

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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.