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Finding the Fourth Proportional to 27,216.60, 40,802.22 and 10,572.72

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Solution

The fourth proportional to 27,216.60, 40,802.22 and 10,572.72 is: 15,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.60 : 40,802.22 = 10,572.72 : x
  2. Step 2: Convert to fraction form
    27,216.60/40,802.22 = 10,572.72/x
  3. Step 3: Cross multiply
    27,216.60x = 40,802.22 × 10,572.72
  4. Step 4: Simplify right side
    27,216.60x = 431,390,447.44
  5. Step 5: Solve for x
    x = 431,390,447.44/27,216.60
  6. Step 6: Final answer
    x = 15,850.27

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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.