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Finding the Fourth Proportional to 27,262.71, 37,621.54 and 15,327.15

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Solution

The fourth proportional to 27,262.71, 37,621.54 and 15,327.15 is: 21,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,262.71 : 37,621.54 = 15,327.15 : x
  2. Step 2: Convert to fraction form
    27,262.71/37,621.54 = 15,327.15/x
  3. Step 3: Cross multiply
    27,262.71x = 37,621.54 × 15,327.15
  4. Step 4: Simplify right side
    27,262.71x = 576,630,986.81
  5. Step 5: Solve for x
    x = 576,630,986.81/27,262.71
  6. Step 6: Final answer
    x = 21,150.90

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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.