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Finding the Fourth Proportional to 70,170.54, 96,832.50 and 38,340.54

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Solution

The fourth proportional to 70,170.54, 96,832.50 and 38,340.54 is: 52,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,170.54 : 96,832.50 = 38,340.54 : x
  2. Step 2: Convert to fraction form
    70,170.54/96,832.50 = 38,340.54/x
  3. Step 3: Cross multiply
    70,170.54x = 96,832.50 × 38,340.54
  4. Step 4: Simplify right side
    70,170.54x = 3,712,610,339.55
  5. Step 5: Solve for x
    x = 3,712,610,339.55/70,170.54
  6. Step 6: Final answer
    x = 52,908.39

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Half scale
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Double scale
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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.