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Finding the Fourth Proportional to 45,041.40, 62,024.40 and 38,620.80

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Solution

The fourth proportional to 45,041.40, 62,024.40 and 38,620.80 is: 53,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,041.40 : 62,024.40 = 38,620.80 : x
  2. Step 2: Convert to fraction form
    45,041.40/62,024.40 = 38,620.80/x
  3. Step 3: Cross multiply
    45,041.40x = 62,024.40 × 38,620.80
  4. Step 4: Simplify right side
    45,041.40x = 2,395,431,947.52
  5. Step 5: Solve for x
    x = 2,395,431,947.52/45,041.40
  6. Step 6: Final answer
    x = 53,182.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.