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Finding the Fourth Proportional to 53,233.60, 79,799.20 and 41,380.80

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Solution

The fourth proportional to 53,233.60, 79,799.20 and 41,380.80 is: 62,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,233.60 : 79,799.20 = 41,380.80 : x
  2. Step 2: Convert to fraction form
    53,233.60/79,799.20 = 41,380.80/x
  3. Step 3: Cross multiply
    53,233.60x = 79,799.20 × 41,380.80
  4. Step 4: Simplify right side
    53,233.60x = 3,302,154,735.36
  5. Step 5: Solve for x
    x = 3,302,154,735.36/53,233.60
  6. Step 6: Final answer
    x = 62,031.40

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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.