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Finding the Fourth Proportional to 60,420.75, 83,380.59 and 33,565.75

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Solution

The fourth proportional to 60,420.75, 83,380.59 and 33,565.75 is: 46,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,420.75 : 83,380.59 = 33,565.75 : x
  2. Step 2: Convert to fraction form
    60,420.75/83,380.59 = 33,565.75/x
  3. Step 3: Cross multiply
    60,420.75x = 83,380.59 × 33,565.75
  4. Step 4: Simplify right side
    60,420.75x = 2,798,732,038.79
  5. Step 5: Solve for x
    x = 2,798,732,038.79/60,420.75
  6. Step 6: Final answer
    x = 46,320.71

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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.