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Finding the Fourth Proportional to 4,751.51, 7,127.39 and 2,252.11

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Solution

The fourth proportional to 4,751.51, 7,127.39 and 2,252.11 is: 3,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.51 : 7,127.39 = 2,252.11 : x
  2. Step 2: Convert to fraction form
    4,751.51/7,127.39 = 2,252.11/x
  3. Step 3: Cross multiply
    4,751.51x = 7,127.39 × 2,252.11
  4. Step 4: Simplify right side
    4,751.51x = 16,051,666.29
  5. Step 5: Solve for x
    x = 16,051,666.29/4,751.51
  6. Step 6: Final answer
    x = 3,378.22

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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.