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Finding the Fourth Proportional to 63,506.88, 87,638.76 and 36,648.81

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Solution

The fourth proportional to 63,506.88, 87,638.76 and 36,648.81 is: 50,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,506.88 : 87,638.76 = 36,648.81 : x
  2. Step 2: Convert to fraction form
    63,506.88/87,638.76 = 36,648.81/x
  3. Step 3: Cross multiply
    63,506.88x = 87,638.76 × 36,648.81
  4. Step 4: Simplify right side
    63,506.88x = 3,211,856,263.88
  5. Step 5: Solve for x
    x = 3,211,856,263.88/63,506.88
  6. Step 6: Final answer
    x = 50,574.93

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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.