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Finding the Fourth Proportional to 5,172.99, 7,762.50 and 2,053.29

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Solution

The fourth proportional to 5,172.99, 7,762.50 and 2,053.29 is: 3,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.99 : 7,762.50 = 2,053.29 : x
  2. Step 2: Convert to fraction form
    5,172.99/7,762.50 = 2,053.29/x
  3. Step 3: Cross multiply
    5,172.99x = 7,762.50 × 2,053.29
  4. Step 4: Simplify right side
    5,172.99x = 15,938,663.63
  5. Step 5: Solve for x
    x = 15,938,663.63/5,172.99
  6. Step 6: Final answer
    x = 3,081.13

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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.