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Finding the Fourth Proportional to 8,994.33, 12,404.09 and 5,637.48

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Solution

The fourth proportional to 8,994.33, 12,404.09 and 5,637.48 is: 7,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.33 : 12,404.09 = 5,637.48 : x
  2. Step 2: Convert to fraction form
    8,994.33/12,404.09 = 5,637.48/x
  3. Step 3: Cross multiply
    8,994.33x = 12,404.09 × 5,637.48
  4. Step 4: Simplify right side
    8,994.33x = 69,927,781.11
  5. Step 5: Solve for x
    x = 69,927,781.11/8,994.33
  6. Step 6: Final answer
    x = 7,774.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.