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Finding the Fourth Proportional to 1,740.22, 2,401.66 and 954.42

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Solution

The fourth proportional to 1,740.22, 2,401.66 and 954.42 is: 1,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.22 : 2,401.66 = 954.42 : x
  2. Step 2: Convert to fraction form
    1,740.22/2,401.66 = 954.42/x
  3. Step 3: Cross multiply
    1,740.22x = 2,401.66 × 954.42
  4. Step 4: Simplify right side
    1,740.22x = 2,292,187.57
  5. Step 5: Solve for x
    x = 2,292,187.57/1,740.22
  6. Step 6: Final answer
    x = 1,317.18

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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.