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Finding the Fourth Proportional to 22,454.59, 33,681.89 and 12,465.48

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Solution

The fourth proportional to 22,454.59, 33,681.89 and 12,465.48 is: 18,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.59 : 33,681.89 = 12,465.48 : x
  2. Step 2: Convert to fraction form
    22,454.59/33,681.89 = 12,465.48/x
  3. Step 3: Cross multiply
    22,454.59x = 33,681.89 × 12,465.48
  4. Step 4: Simplify right side
    22,454.59x = 419,860,926.16
  5. Step 5: Solve for x
    x = 419,860,926.16/22,454.59
  6. Step 6: Final answer
    x = 18,698.22

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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.