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Finding the Fourth Proportional to 33,058.40, 45,620.54 and 18,154.40

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Solution

The fourth proportional to 33,058.40, 45,620.54 and 18,154.40 is: 25,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,058.40 : 45,620.54 = 18,154.40 : x
  2. Step 2: Convert to fraction form
    33,058.40/45,620.54 = 18,154.40/x
  3. Step 3: Cross multiply
    33,058.40x = 45,620.54 × 18,154.40
  4. Step 4: Simplify right side
    33,058.40x = 828,213,531.38
  5. Step 5: Solve for x
    x = 828,213,531.38/33,058.40
  6. Step 6: Final answer
    x = 25,053.04

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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.