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Finding the Fourth Proportional to 1,048.14, 1,572.51 and 500.82

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Solution

The fourth proportional to 1,048.14, 1,572.51 and 500.82 is: 751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.14 : 1,572.51 = 500.82 : x
  2. Step 2: Convert to fraction form
    1,048.14/1,572.51 = 500.82/x
  3. Step 3: Cross multiply
    1,048.14x = 1,572.51 × 500.82
  4. Step 4: Simplify right side
    1,048.14x = 787,544.46
  5. Step 5: Solve for x
    x = 787,544.46/1,048.14
  6. Step 6: Final answer
    x = 751.37

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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.