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Finding the Fourth Proportional to 22,455.59, 33,623.03 and 18,278.42

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Solution

The fourth proportional to 22,455.59, 33,623.03 and 18,278.42 is: 27,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.59 : 33,623.03 = 18,278.42 : x
  2. Step 2: Convert to fraction form
    22,455.59/33,623.03 = 18,278.42/x
  3. Step 3: Cross multiply
    22,455.59x = 33,623.03 × 18,278.42
  4. Step 4: Simplify right side
    22,455.59x = 614,575,741.59
  5. Step 5: Solve for x
    x = 614,575,741.59/22,455.59
  6. Step 6: Final answer
    x = 27,368.50

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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.