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Finding the Fourth Proportional to 8,062.00, 12,088.30 and 3,125.87

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Solution

The fourth proportional to 8,062.00, 12,088.30 and 3,125.87 is: 4,686.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.00 : 12,088.30 = 3,125.87 : x
  2. Step 2: Convert to fraction form
    8,062.00/12,088.30 = 3,125.87/x
  3. Step 3: Cross multiply
    8,062.00x = 12,088.30 × 3,125.87
  4. Step 4: Simplify right side
    8,062.00x = 37,786,484.15
  5. Step 5: Solve for x
    x = 37,786,484.15/8,062.00
  6. Step 6: Final answer
    x = 4,686.99

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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.