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Finding the Fourth Proportional to 70,171.44, 96,835.44 and 38,339.65

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Solution

The fourth proportional to 70,171.44, 96,835.44 and 38,339.65 is: 52,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171.44 : 96,835.44 = 38,339.65 : x
  2. Step 2: Convert to fraction form
    70,171.44/96,835.44 = 38,339.65/x
  3. Step 3: Cross multiply
    70,171.44x = 96,835.44 × 38,339.65
  4. Step 4: Simplify right side
    70,171.44x = 3,712,636,877.20
  5. Step 5: Solve for x
    x = 3,712,636,877.20/70,171.44
  6. Step 6: Final answer
    x = 52,908.09

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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.