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Finding the Fourth Proportional to 64,897.90, 97,346.85 and 33,793.90

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Solution

The fourth proportional to 64,897.90, 97,346.85 and 33,793.90 is: 50,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,897.90 : 97,346.85 = 33,793.90 : x
  2. Step 2: Convert to fraction form
    64,897.90/97,346.85 = 33,793.90/x
  3. Step 3: Cross multiply
    64,897.90x = 97,346.85 × 33,793.90
  4. Step 4: Simplify right side
    64,897.90x = 3,289,729,714.22
  5. Step 5: Solve for x
    x = 3,289,729,714.22/64,897.90
  6. Step 6: Final answer
    x = 50,690.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.