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Finding the Fourth Proportional to 8,776.88, 12,112.08 and 4,798

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Solution

The fourth proportional to 8,776.88, 12,112.08 and 4,798 is: 6,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.88 : 12,112.08 = 4,798 : x
  2. Step 2: Convert to fraction form
    8,776.88/12,112.08 = 4,798/x
  3. Step 3: Cross multiply
    8,776.88x = 12,112.08 × 4,798
  4. Step 4: Simplify right side
    8,776.88x = 58,113,759.84
  5. Step 5: Solve for x
    x = 58,113,759.84/8,776.88
  6. Step 6: Final answer
    x = 6,621.23

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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.