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Finding the Fourth Proportional to 22,835.60, 34,231.80 and 13,482.80

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Solution

The fourth proportional to 22,835.60, 34,231.80 and 13,482.80 is: 20,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,835.60 : 34,231.80 = 13,482.80 : x
  2. Step 2: Convert to fraction form
    22,835.60/34,231.80 = 13,482.80/x
  3. Step 3: Cross multiply
    22,835.60x = 34,231.80 × 13,482.80
  4. Step 4: Simplify right side
    22,835.60x = 461,540,513.04
  5. Step 5: Solve for x
    x = 461,540,513.04/22,835.60
  6. Step 6: Final answer
    x = 20,211.45

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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.