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Finding the Fourth Proportional to 2,442.48, 3,660.48 and 2,116.32

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Solution

The fourth proportional to 2,442.48, 3,660.48 and 2,116.32 is: 3,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.48 : 3,660.48 = 2,116.32 : x
  2. Step 2: Convert to fraction form
    2,442.48/3,660.48 = 2,116.32/x
  3. Step 3: Cross multiply
    2,442.48x = 3,660.48 × 2,116.32
  4. Step 4: Simplify right side
    2,442.48x = 7,746,747.03
  5. Step 5: Solve for x
    x = 7,746,747.03/2,442.48
  6. Step 6: Final answer
    x = 3,171.67

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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.