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Finding the Fourth Proportional to 8,703.73, 13,062.63 and 4,957.88

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Solution

The fourth proportional to 8,703.73, 13,062.63 and 4,957.88 is: 7,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.73 : 13,062.63 = 4,957.88 : x
  2. Step 2: Convert to fraction form
    8,703.73/13,062.63 = 4,957.88/x
  3. Step 3: Cross multiply
    8,703.73x = 13,062.63 × 4,957.88
  4. Step 4: Simplify right side
    8,703.73x = 64,762,952.02
  5. Step 5: Solve for x
    x = 64,762,952.02/8,703.73
  6. Step 6: Final answer
    x = 7,440.83

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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.