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Finding the Fourth Proportional to 15,590.28, 23,385.42 and 7,797.28

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Solution

The fourth proportional to 15,590.28, 23,385.42 and 7,797.28 is: 11,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.28 : 23,385.42 = 7,797.28 : x
  2. Step 2: Convert to fraction form
    15,590.28/23,385.42 = 7,797.28/x
  3. Step 3: Cross multiply
    15,590.28x = 23,385.42 × 7,797.28
  4. Step 4: Simplify right side
    15,590.28x = 182,342,667.66
  5. Step 5: Solve for x
    x = 182,342,667.66/15,590.28
  6. Step 6: Final answer
    x = 11,695.92

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Double scale
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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.