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Finding the Fourth Proportional to 60,194.55, 83,040.92 and 38,980.65

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Solution

The fourth proportional to 60,194.55, 83,040.92 and 38,980.65 is: 53,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,194.55 : 83,040.92 = 38,980.65 : x
  2. Step 2: Convert to fraction form
    60,194.55/83,040.92 = 38,980.65/x
  3. Step 3: Cross multiply
    60,194.55x = 83,040.92 × 38,980.65
  4. Step 4: Simplify right side
    60,194.55x = 3,236,989,038.20
  5. Step 5: Solve for x
    x = 3,236,989,038.20/60,194.55
  6. Step 6: Final answer
    x = 53,775.45

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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.