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Finding the Fourth Proportional to 15,648.35, 23,460.35 and 7,745.42

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Solution

The fourth proportional to 15,648.35, 23,460.35 and 7,745.42 is: 11,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.35 : 23,460.35 = 7,745.42 : x
  2. Step 2: Convert to fraction form
    15,648.35/23,460.35 = 7,745.42/x
  3. Step 3: Cross multiply
    15,648.35x = 23,460.35 × 7,745.42
  4. Step 4: Simplify right side
    15,648.35x = 181,710,108.07
  5. Step 5: Solve for x
    x = 181,710,108.07/15,648.35
  6. Step 6: Final answer
    x = 11,612.09

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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.