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Finding the Fourth Proportional to 8,699.48, 13,037.72 and 4,752.48

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Solution

The fourth proportional to 8,699.48, 13,037.72 and 4,752.48 is: 7,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.48 : 13,037.72 = 4,752.48 : x
  2. Step 2: Convert to fraction form
    8,699.48/13,037.72 = 4,752.48/x
  3. Step 3: Cross multiply
    8,699.48x = 13,037.72 × 4,752.48
  4. Step 4: Simplify right side
    8,699.48x = 61,961,479.78
  5. Step 5: Solve for x
    x = 61,961,479.78/8,699.48
  6. Step 6: Final answer
    x = 7,122.44

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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.