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Finding the Fourth Proportional to 8,710.29, 12,020.22 and 4,731.32

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Solution

The fourth proportional to 8,710.29, 12,020.22 and 4,731.32 is: 6,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.29 : 12,020.22 = 4,731.32 : x
  2. Step 2: Convert to fraction form
    8,710.29/12,020.22 = 4,731.32/x
  3. Step 3: Cross multiply
    8,710.29x = 12,020.22 × 4,731.32
  4. Step 4: Simplify right side
    8,710.29x = 56,871,447.19
  5. Step 5: Solve for x
    x = 56,871,447.19/8,710.29
  6. Step 6: Final answer
    x = 6,529.23

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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.