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Finding the Fourth Proportional to 57,568.48, 86,280.15 and 30,848.20

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Solution

The fourth proportional to 57,568.48, 86,280.15 and 30,848.20 is: 46,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,568.48 : 86,280.15 = 30,848.20 : x
  2. Step 2: Convert to fraction form
    57,568.48/86,280.15 = 30,848.20/x
  3. Step 3: Cross multiply
    57,568.48x = 86,280.15 × 30,848.20
  4. Step 4: Simplify right side
    57,568.48x = 2,661,587,323.23
  5. Step 5: Solve for x
    x = 2,661,587,323.23/57,568.48
  6. Step 6: Final answer
    x = 46,233.41

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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.