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Finding the Fourth Proportional to 27,127, 37,432.11 and 15,798.97

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Solution

The fourth proportional to 27,127, 37,432.11 and 15,798.97 is: 21,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127 : 37,432.11 = 15,798.97 : x
  2. Step 2: Convert to fraction form
    27,127/37,432.11 = 15,798.97/x
  3. Step 3: Cross multiply
    27,127x = 37,432.11 × 15,798.97
  4. Step 4: Simplify right side
    27,127x = 591,388,782.93
  5. Step 5: Solve for x
    x = 591,388,782.93/27,127
  6. Step 6: Final answer
    x = 21,800.74

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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.