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Finding the Fourth Proportional to 45,021.81, 67,575.09 and 22,851.09

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Solution

The fourth proportional to 45,021.81, 67,575.09 and 22,851.09 is: 34,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,021.81 : 67,575.09 = 22,851.09 : x
  2. Step 2: Convert to fraction form
    45,021.81/67,575.09 = 22,851.09/x
  3. Step 3: Cross multiply
    45,021.81x = 67,575.09 × 22,851.09
  4. Step 4: Simplify right side
    45,021.81x = 1,544,164,463.35
  5. Step 5: Solve for x
    x = 1,544,164,463.35/45,021.81
  6. Step 6: Final answer
    x = 34,298.14

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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.