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Finding the Fourth Proportional to 2,438.48, 3,365.12 and 1,334.48

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Solution

The fourth proportional to 2,438.48, 3,365.12 and 1,334.48 is: 1,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.48 : 3,365.12 = 1,334.48 : x
  2. Step 2: Convert to fraction form
    2,438.48/3,365.12 = 1,334.48/x
  3. Step 3: Cross multiply
    2,438.48x = 3,365.12 × 1,334.48
  4. Step 4: Simplify right side
    2,438.48x = 4,490,685.34
  5. Step 5: Solve for x
    x = 4,490,685.34/2,438.48
  6. Step 6: Final answer
    x = 1,841.59

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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.