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Finding the Fourth Proportional to 3,585.66, 4,948.42 and 2,388.58

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Solution

The fourth proportional to 3,585.66, 4,948.42 and 2,388.58 is: 3,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.66 : 4,948.42 = 2,388.58 : x
  2. Step 2: Convert to fraction form
    3,585.66/4,948.42 = 2,388.58/x
  3. Step 3: Cross multiply
    3,585.66x = 4,948.42 × 2,388.58
  4. Step 4: Simplify right side
    3,585.66x = 11,819,697.04
  5. Step 5: Solve for x
    x = 11,819,697.04/3,585.66
  6. Step 6: Final answer
    x = 3,296.38

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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.