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Finding the Fourth Proportional to 28,373.68, 42,520.68 and 22,424.41

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Solution

The fourth proportional to 28,373.68, 42,520.68 and 22,424.41 is: 33,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,373.68 : 42,520.68 = 22,424.41 : x
  2. Step 2: Convert to fraction form
    28,373.68/42,520.68 = 22,424.41/x
  3. Step 3: Cross multiply
    28,373.68x = 42,520.68 × 22,424.41
  4. Step 4: Simplify right side
    28,373.68x = 953,501,161.80
  5. Step 5: Solve for x
    x = 953,501,161.80/28,373.68
  6. Step 6: Final answer
    x = 33,605.13

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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.