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Finding the Fourth Proportional to 8,892.72, 13,339.44 and 3,345.48

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Solution

The fourth proportional to 8,892.72, 13,339.44 and 3,345.48 is: 5,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.72 : 13,339.44 = 3,345.48 : x
  2. Step 2: Convert to fraction form
    8,892.72/13,339.44 = 3,345.48/x
  3. Step 3: Cross multiply
    8,892.72x = 13,339.44 × 3,345.48
  4. Step 4: Simplify right side
    8,892.72x = 44,626,829.73
  5. Step 5: Solve for x
    x = 44,626,829.73/8,892.72
  6. Step 6: Final answer
    x = 5,018.36

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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.