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Finding the Fourth Proportional to 70,000.61, 96,602.83 and 38,171.25

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Solution

The fourth proportional to 70,000.61, 96,602.83 and 38,171.25 is: 52,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,000.61 : 96,602.83 = 38,171.25 : x
  2. Step 2: Convert to fraction form
    70,000.61/96,602.83 = 38,171.25/x
  3. Step 3: Cross multiply
    70,000.61x = 96,602.83 × 38,171.25
  4. Step 4: Simplify right side
    70,000.61x = 3,687,450,679.21
  5. Step 5: Solve for x
    x = 3,687,450,679.21/70,000.61
  6. Step 6: Final answer
    x = 52,677.41

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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.