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Finding the Fourth Proportional to 8,775.98, 12,110.64 and 4,797

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Solution

The fourth proportional to 8,775.98, 12,110.64 and 4,797 is: 6,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.98 : 12,110.64 = 4,797 : x
  2. Step 2: Convert to fraction form
    8,775.98/12,110.64 = 4,797/x
  3. Step 3: Cross multiply
    8,775.98x = 12,110.64 × 4,797
  4. Step 4: Simplify right side
    8,775.98x = 58,094,740.08
  5. Step 5: Solve for x
    x = 58,094,740.08/8,775.98
  6. Step 6: Final answer
    x = 6,619.74

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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.