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Finding the Fourth Proportional to 60,987.80, 91,481.70 and 23,549.60

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Solution

The fourth proportional to 60,987.80, 91,481.70 and 23,549.60 is: 35,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,987.80 : 91,481.70 = 23,549.60 : x
  2. Step 2: Convert to fraction form
    60,987.80/91,481.70 = 23,549.60/x
  3. Step 3: Cross multiply
    60,987.80x = 91,481.70 × 23,549.60
  4. Step 4: Simplify right side
    60,987.80x = 2,154,357,442.32
  5. Step 5: Solve for x
    x = 2,154,357,442.32/60,987.80
  6. Step 6: Final answer
    x = 35,324.40

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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.