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Finding the Fourth Proportional to 53,149.50, 79,738.02 and 23,560.20

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Solution

The fourth proportional to 53,149.50, 79,738.02 and 23,560.20 is: 35,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.50 : 79,738.02 = 23,560.20 : x
  2. Step 2: Convert to fraction form
    53,149.50/79,738.02 = 23,560.20/x
  3. Step 3: Cross multiply
    53,149.50x = 79,738.02 × 23,560.20
  4. Step 4: Simplify right side
    53,149.50x = 1,878,643,698.80
  5. Step 5: Solve for x
    x = 1,878,643,698.80/53,149.50
  6. Step 6: Final answer
    x = 35,346.40

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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.