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Finding the Fourth Proportional to 8,477.98, 12,717.26 and 3,798.02

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Solution

The fourth proportional to 8,477.98, 12,717.26 and 3,798.02 is: 5,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.98 : 12,717.26 = 3,798.02 : x
  2. Step 2: Convert to fraction form
    8,477.98/12,717.26 = 3,798.02/x
  3. Step 3: Cross multiply
    8,477.98x = 12,717.26 × 3,798.02
  4. Step 4: Simplify right side
    8,477.98x = 48,300,407.83
  5. Step 5: Solve for x
    x = 48,300,407.83/8,477.98
  6. Step 6: Final answer
    x = 5,697.16

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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.