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Finding the Fourth Proportional to 45,019.80, 67,497.30 and 25,304.40

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Solution

The fourth proportional to 45,019.80, 67,497.30 and 25,304.40 is: 37,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019.80 : 67,497.30 = 25,304.40 : x
  2. Step 2: Convert to fraction form
    45,019.80/67,497.30 = 25,304.40/x
  3. Step 3: Cross multiply
    45,019.80x = 67,497.30 × 25,304.40
  4. Step 4: Simplify right side
    45,019.80x = 1,707,978,678.12
  5. Step 5: Solve for x
    x = 1,707,978,678.12/45,019.80
  6. Step 6: Final answer
    x = 37,938.39

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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.