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Finding the Fourth Proportional to 63,289.62, 87,339.71 and 36,064.93

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Solution

The fourth proportional to 63,289.62, 87,339.71 and 36,064.93 is: 49,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,289.62 : 87,339.71 = 36,064.93 : x
  2. Step 2: Convert to fraction form
    63,289.62/87,339.71 = 36,064.93/x
  3. Step 3: Cross multiply
    63,289.62x = 87,339.71 × 36,064.93
  4. Step 4: Simplify right side
    63,289.62x = 3,149,900,360.08
  5. Step 5: Solve for x
    x = 3,149,900,360.08/63,289.62
  6. Step 6: Final answer
    x = 49,769.62

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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.