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Finding the Fourth Proportional to 63,559.88, 87,725.40 and 36,706.76

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Solution

The fourth proportional to 63,559.88, 87,725.40 and 36,706.76 is: 50,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,559.88 : 87,725.40 = 36,706.76 : x
  2. Step 2: Convert to fraction form
    63,559.88/87,725.40 = 36,706.76/x
  3. Step 3: Cross multiply
    63,559.88x = 87,725.40 × 36,706.76
  4. Step 4: Simplify right side
    63,559.88x = 3,220,115,203.70
  5. Step 5: Solve for x
    x = 3,220,115,203.70/63,559.88
  6. Step 6: Final answer
    x = 50,662.70

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1.5x scale

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.