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Finding the Fourth Proportional to 60,707.40, 83,765.52 and 33,847.80

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Solution

The fourth proportional to 60,707.40, 83,765.52 and 33,847.80 is: 46,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,707.40 : 83,765.52 = 33,847.80 : x
  2. Step 2: Convert to fraction form
    60,707.40/83,765.52 = 33,847.80/x
  3. Step 3: Cross multiply
    60,707.40x = 83,765.52 × 33,847.80
  4. Step 4: Simplify right side
    60,707.40x = 2,835,278,567.86
  5. Step 5: Solve for x
    x = 2,835,278,567.86/60,707.40
  6. Step 6: Final answer
    x = 46,704.00

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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.