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Finding the Fourth Proportional to 25,304.52, 37,960.02 and 9,720.12

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Solution

The fourth proportional to 25,304.52, 37,960.02 and 9,720.12 is: 14,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.52 : 37,960.02 = 9,720.12 : x
  2. Step 2: Convert to fraction form
    25,304.52/37,960.02 = 9,720.12/x
  3. Step 3: Cross multiply
    25,304.52x = 37,960.02 × 9,720.12
  4. Step 4: Simplify right side
    25,304.52x = 368,975,949.60
  5. Step 5: Solve for x
    x = 368,975,949.60/25,304.52
  6. Step 6: Final answer
    x = 14,581.42

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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.