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Finding the Fourth Proportional to 11,860.08, 17,788.08 and 4,362.16

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Solution

The fourth proportional to 11,860.08, 17,788.08 and 4,362.16 is: 6,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.08 : 17,788.08 = 4,362.16 : x
  2. Step 2: Convert to fraction form
    11,860.08/17,788.08 = 4,362.16/x
  3. Step 3: Cross multiply
    11,860.08x = 17,788.08 × 4,362.16
  4. Step 4: Simplify right side
    11,860.08x = 77,594,451.05
  5. Step 5: Solve for x
    x = 77,594,451.05/11,860.08
  6. Step 6: Final answer
    x = 6,542.49

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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.