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Finding the Fourth Proportional to 8,754.04, 13,123.16 and 3,203.51

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Solution

The fourth proportional to 8,754.04, 13,123.16 and 3,203.51 is: 4,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.04 : 13,123.16 = 3,203.51 : x
  2. Step 2: Convert to fraction form
    8,754.04/13,123.16 = 3,203.51/x
  3. Step 3: Cross multiply
    8,754.04x = 13,123.16 × 3,203.51
  4. Step 4: Simplify right side
    8,754.04x = 42,040,203.10
  5. Step 5: Solve for x
    x = 42,040,203.10/8,754.04
  6. Step 6: Final answer
    x = 4,802.38

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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.