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Finding the Fourth Proportional to 15,362.56, 23,048.52 and 7,972.32

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Solution

The fourth proportional to 15,362.56, 23,048.52 and 7,972.32 is: 11,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.56 : 23,048.52 = 7,972.32 : x
  2. Step 2: Convert to fraction form
    15,362.56/23,048.52 = 7,972.32/x
  3. Step 3: Cross multiply
    15,362.56x = 23,048.52 × 7,972.32
  4. Step 4: Simplify right side
    15,362.56x = 183,750,176.97
  5. Step 5: Solve for x
    x = 183,750,176.97/15,362.56
  6. Step 6: Final answer
    x = 11,960.91

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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.