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Finding the Fourth Proportional to 1,740.47, 2,401.85 and 954.52

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Solution

The fourth proportional to 1,740.47, 2,401.85 and 954.52 is: 1,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.47 : 2,401.85 = 954.52 : x
  2. Step 2: Convert to fraction form
    1,740.47/2,401.85 = 954.52/x
  3. Step 3: Cross multiply
    1,740.47x = 2,401.85 × 954.52
  4. Step 4: Simplify right side
    1,740.47x = 2,292,603.08
  5. Step 5: Solve for x
    x = 2,292,603.08/1,740.47
  6. Step 6: Final answer
    x = 1,317.23

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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.