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Finding the Fourth Proportional to 65,227.70, 97,841.55 and 30,235.70

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Solution

The fourth proportional to 65,227.70, 97,841.55 and 30,235.70 is: 45,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227.70 : 97,841.55 = 30,235.70 : x
  2. Step 2: Convert to fraction form
    65,227.70/97,841.55 = 30,235.70/x
  3. Step 3: Cross multiply
    65,227.70x = 97,841.55 × 30,235.70
  4. Step 4: Simplify right side
    65,227.70x = 2,958,307,753.34
  5. Step 5: Solve for x
    x = 2,958,307,753.34/65,227.70
  6. Step 6: Final answer
    x = 45,353.55

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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.