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Finding the Fourth Proportional to 45,030.40, 67,586.40 and 22,859.20

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Solution

The fourth proportional to 45,030.40, 67,586.40 and 22,859.20 is: 34,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,030.40 : 67,586.40 = 22,859.20 : x
  2. Step 2: Convert to fraction form
    45,030.40/67,586.40 = 22,859.20/x
  3. Step 3: Cross multiply
    45,030.40x = 67,586.40 × 22,859.20
  4. Step 4: Simplify right side
    45,030.40x = 1,544,971,034.88
  5. Step 5: Solve for x
    x = 1,544,971,034.88/45,030.40
  6. Step 6: Final answer
    x = 34,309.51

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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.