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Finding the Fourth Proportional to 6,588.88, 9,878.08 and 3,300.28

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Solution

The fourth proportional to 6,588.88, 9,878.08 and 3,300.28 is: 4,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,588.88 : 9,878.08 = 3,300.28 : x
  2. Step 2: Convert to fraction form
    6,588.88/9,878.08 = 3,300.28/x
  3. Step 3: Cross multiply
    6,588.88x = 9,878.08 × 3,300.28
  4. Step 4: Simplify right side
    6,588.88x = 32,600,429.86
  5. Step 5: Solve for x
    x = 32,600,429.86/6,588.88
  6. Step 6: Final answer
    x = 4,947.80

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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.