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Finding the Fourth Proportional to 15,590.88, 23,395.84 and 7,698.44

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Solution

The fourth proportional to 15,590.88, 23,395.84 and 7,698.44 is: 11,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.88 : 23,395.84 = 7,698.44 : x
  2. Step 2: Convert to fraction form
    15,590.88/23,395.84 = 7,698.44/x
  3. Step 3: Cross multiply
    15,590.88x = 23,395.84 × 7,698.44
  4. Step 4: Simplify right side
    15,590.88x = 180,111,509.73
  5. Step 5: Solve for x
    x = 180,111,509.73/15,590.88
  6. Step 6: Final answer
    x = 11,552.36

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Half scale
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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.