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Finding the Fourth Proportional to 18,360.52, 25,337.52 and 9,977

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Solution

The fourth proportional to 18,360.52, 25,337.52 and 9,977 is: 13,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.52 : 25,337.52 = 9,977 : x
  2. Step 2: Convert to fraction form
    18,360.52/25,337.52 = 9,977/x
  3. Step 3: Cross multiply
    18,360.52x = 25,337.52 × 9,977
  4. Step 4: Simplify right side
    18,360.52x = 252,792,437.04
  5. Step 5: Solve for x
    x = 252,792,437.04/18,360.52
  6. Step 6: Final answer
    x = 13,768.26

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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.