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Finding the Fourth Proportional to 63,592.58, 87,758.09 and 39,733.09

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Solution

The fourth proportional to 63,592.58, 87,758.09 and 39,733.09 is: 54,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,592.58 : 87,758.09 = 39,733.09 : x
  2. Step 2: Convert to fraction form
    63,592.58/87,758.09 = 39,733.09/x
  3. Step 3: Cross multiply
    63,592.58x = 87,758.09 × 39,733.09
  4. Step 4: Simplify right side
    63,592.58x = 3,486,899,968.14
  5. Step 5: Solve for x
    x = 3,486,899,968.14/63,592.58
  6. Step 6: Final answer
    x = 54,831.87

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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.