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Finding the Fourth Proportional to 57,945.33, 86,770.98 and 48,560.67

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Solution

The fourth proportional to 57,945.33, 86,770.98 and 48,560.67 is: 72,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,945.33 : 86,770.98 = 48,560.67 : x
  2. Step 2: Convert to fraction form
    57,945.33/86,770.98 = 48,560.67/x
  3. Step 3: Cross multiply
    57,945.33x = 86,770.98 × 48,560.67
  4. Step 4: Simplify right side
    57,945.33x = 4,213,656,925.36
  5. Step 5: Solve for x
    x = 4,213,656,925.36/57,945.33
  6. Step 6: Final answer
    x = 72,717.80

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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.