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Finding the Fourth Proportional to 8,710.44, 12,020.43 and 4,731.52

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Solution

The fourth proportional to 8,710.44, 12,020.43 and 4,731.52 is: 6,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.44 : 12,020.43 = 4,731.52 : x
  2. Step 2: Convert to fraction form
    8,710.44/12,020.43 = 4,731.52/x
  3. Step 3: Cross multiply
    8,710.44x = 12,020.43 × 4,731.52
  4. Step 4: Simplify right side
    8,710.44x = 56,874,904.95
  5. Step 5: Solve for x
    x = 56,874,904.95/8,710.44
  6. Step 6: Final answer
    x = 6,529.51

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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.