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Finding the Fourth Proportional to 1,048.86, 1,573.09 and 501.71

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Solution

The fourth proportional to 1,048.86, 1,573.09 and 501.71 is: 752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.86 : 1,573.09 = 501.71 : x
  2. Step 2: Convert to fraction form
    1,048.86/1,573.09 = 501.71/x
  3. Step 3: Cross multiply
    1,048.86x = 1,573.09 × 501.71
  4. Step 4: Simplify right side
    1,048.86x = 789,225.86
  5. Step 5: Solve for x
    x = 789,225.86/1,048.86
  6. Step 6: Final answer
    x = 752.46

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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.