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Finding the Fourth Proportional to 63,595.88, 87,760.69 and 34,915.40

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Solution

The fourth proportional to 63,595.88, 87,760.69 and 34,915.40 is: 48,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,595.88 : 87,760.69 = 34,915.40 : x
  2. Step 2: Convert to fraction form
    63,595.88/87,760.69 = 34,915.40/x
  3. Step 3: Cross multiply
    63,595.88x = 87,760.69 × 34,915.40
  4. Step 4: Simplify right side
    63,595.88x = 3,064,199,595.63
  5. Step 5: Solve for x
    x = 3,064,199,595.63/63,595.88
  6. Step 6: Final answer
    x = 48,182.36

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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.