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Finding the Fourth Proportional to 27,208.54, 40,801.68 and 8,482.24

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Solution

The fourth proportional to 27,208.54, 40,801.68 and 8,482.24 is: 12,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208.54 : 40,801.68 = 8,482.24 : x
  2. Step 2: Convert to fraction form
    27,208.54/40,801.68 = 8,482.24/x
  3. Step 3: Cross multiply
    27,208.54x = 40,801.68 × 8,482.24
  4. Step 4: Simplify right side
    27,208.54x = 346,089,642.16
  5. Step 5: Solve for x
    x = 346,089,642.16/27,208.54
  6. Step 6: Final answer
    x = 12,719.89

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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.