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Finding the Fourth Proportional to 1,757.48, 2,425.08 and 1,011.17

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Solution

The fourth proportional to 1,757.48, 2,425.08 and 1,011.17 is: 1,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.48 : 2,425.08 = 1,011.17 : x
  2. Step 2: Convert to fraction form
    1,757.48/2,425.08 = 1,011.17/x
  3. Step 3: Cross multiply
    1,757.48x = 2,425.08 × 1,011.17
  4. Step 4: Simplify right side
    1,757.48x = 2,452,168.14
  5. Step 5: Solve for x
    x = 2,452,168.14/1,757.48
  6. Step 6: Final answer
    x = 1,395.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.