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Finding the Fourth Proportional to 38,477.06, 57,718.02 and 16,287.52

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Solution

The fourth proportional to 38,477.06, 57,718.02 and 16,287.52 is: 24,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.06 : 57,718.02 = 16,287.52 : x
  2. Step 2: Convert to fraction form
    38,477.06/57,718.02 = 16,287.52/x
  3. Step 3: Cross multiply
    38,477.06x = 57,718.02 × 16,287.52
  4. Step 4: Simplify right side
    38,477.06x = 940,083,405.11
  5. Step 5: Solve for x
    x = 940,083,405.11/38,477.06
  6. Step 6: Final answer
    x = 24,432.31

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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.