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Finding the Fourth Proportional to 60,692.32, 83,795.70 and 39,191.68

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Solution

The fourth proportional to 60,692.32, 83,795.70 and 39,191.68 is: 54,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,692.32 : 83,795.70 = 39,191.68 : x
  2. Step 2: Convert to fraction form
    60,692.32/83,795.70 = 39,191.68/x
  3. Step 3: Cross multiply
    60,692.32x = 83,795.70 × 39,191.68
  4. Step 4: Simplify right side
    60,692.32x = 3,284,094,259.78
  5. Step 5: Solve for x
    x = 3,284,094,259.78/60,692.32
  6. Step 6: Final answer
    x = 54,110.54

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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.