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Finding the Fourth Proportional to 60,749.40, 83,833.95 and 33,891.90

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Solution

The fourth proportional to 60,749.40, 83,833.95 and 33,891.90 is: 46,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,749.40 : 83,833.95 = 33,891.90 : x
  2. Step 2: Convert to fraction form
    60,749.40/83,833.95 = 33,891.90/x
  3. Step 3: Cross multiply
    60,749.40x = 83,833.95 × 33,891.90
  4. Step 4: Simplify right side
    60,749.40x = 2,841,291,850.01
  5. Step 5: Solve for x
    x = 2,841,291,850.01/60,749.40
  6. Step 6: Final answer
    x = 46,770.70

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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.