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Finding the Fourth Proportional to 27,521.76, 37,980.02 and 16,343.76

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Solution

The fourth proportional to 27,521.76, 37,980.02 and 16,343.76 is: 22,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.76 : 37,980.02 = 16,343.76 : x
  2. Step 2: Convert to fraction form
    27,521.76/37,980.02 = 16,343.76/x
  3. Step 3: Cross multiply
    27,521.76x = 37,980.02 × 16,343.76
  4. Step 4: Simplify right side
    27,521.76x = 620,736,331.68
  5. Step 5: Solve for x
    x = 620,736,331.68/27,521.76
  6. Step 6: Final answer
    x = 22,554.38

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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.