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Finding the Fourth Proportional to 8,797.55, 12,140.64 and 4,764.42

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Solution

The fourth proportional to 8,797.55, 12,140.64 and 4,764.42 is: 6,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.55 : 12,140.64 = 4,764.42 : x
  2. Step 2: Convert to fraction form
    8,797.55/12,140.64 = 4,764.42/x
  3. Step 3: Cross multiply
    8,797.55x = 12,140.64 × 4,764.42
  4. Step 4: Simplify right side
    8,797.55x = 57,843,108.03
  5. Step 5: Solve for x
    x = 57,843,108.03/8,797.55
  6. Step 6: Final answer
    x = 6,574.91

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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.