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Finding the Fourth Proportional to 8,740.92, 12,062.04 and 4,762.02

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Solution

The fourth proportional to 8,740.92, 12,062.04 and 4,762.02 is: 6,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.92 : 12,062.04 = 4,762.02 : x
  2. Step 2: Convert to fraction form
    8,740.92/12,062.04 = 4,762.02/x
  3. Step 3: Cross multiply
    8,740.92x = 12,062.04 × 4,762.02
  4. Step 4: Simplify right side
    8,740.92x = 57,439,675.72
  5. Step 5: Solve for x
    x = 57,439,675.72/8,740.92
  6. Step 6: Final answer
    x = 6,571.35

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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.