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Finding the Fourth Proportional to 45,709.88, 63,079.77 and 25,567.10

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Solution

The fourth proportional to 45,709.88, 63,079.77 and 25,567.10 is: 35,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,709.88 : 63,079.77 = 25,567.10 : x
  2. Step 2: Convert to fraction form
    45,709.88/63,079.77 = 25,567.10/x
  3. Step 3: Cross multiply
    45,709.88x = 63,079.77 × 25,567.10
  4. Step 4: Simplify right side
    45,709.88x = 1,612,766,787.57
  5. Step 5: Solve for x
    x = 1,612,766,787.57/45,709.88
  6. Step 6: Final answer
    x = 35,282.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.