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Finding the Fourth Proportional to 22,884.80, 34,327.20 and 13,054.40

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Solution

The fourth proportional to 22,884.80, 34,327.20 and 13,054.40 is: 19,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,884.80 : 34,327.20 = 13,054.40 : x
  2. Step 2: Convert to fraction form
    22,884.80/34,327.20 = 13,054.40/x
  3. Step 3: Cross multiply
    22,884.80x = 34,327.20 × 13,054.40
  4. Step 4: Simplify right side
    22,884.80x = 448,120,999.68
  5. Step 5: Solve for x
    x = 448,120,999.68/22,884.80
  6. Step 6: Final answer
    x = 19,581.60

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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.