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Finding the Fourth Proportional to 15,963.04, 23,928.36 and 7,630.84

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Solution

The fourth proportional to 15,963.04, 23,928.36 and 7,630.84 is: 11,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.04 : 23,928.36 = 7,630.84 : x
  2. Step 2: Convert to fraction form
    15,963.04/23,928.36 = 7,630.84/x
  3. Step 3: Cross multiply
    15,963.04x = 23,928.36 × 7,630.84
  4. Step 4: Simplify right side
    15,963.04x = 182,593,486.62
  5. Step 5: Solve for x
    x = 182,593,486.62/15,963.04
  6. Step 6: Final answer
    x = 11,438.52

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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.