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Finding the Fourth Proportional to 53,543.36, 80,211.36 and 25,860.80

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Solution

The fourth proportional to 53,543.36, 80,211.36 and 25,860.80 is: 38,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543.36 : 80,211.36 = 25,860.80 : x
  2. Step 2: Convert to fraction form
    53,543.36/80,211.36 = 25,860.80/x
  3. Step 3: Cross multiply
    53,543.36x = 80,211.36 × 25,860.80
  4. Step 4: Simplify right side
    53,543.36x = 2,074,329,938.69
  5. Step 5: Solve for x
    x = 2,074,329,938.69/53,543.36
  6. Step 6: Final answer
    x = 38,741.12

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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.