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Finding the Fourth Proportional to 1,048.09, 1,573.67 and 586.77

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Solution

The fourth proportional to 1,048.09, 1,573.67 and 586.77 is: 881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.09 : 1,573.67 = 586.77 : x
  2. Step 2: Convert to fraction form
    1,048.09/1,573.67 = 586.77/x
  3. Step 3: Cross multiply
    1,048.09x = 1,573.67 × 586.77
  4. Step 4: Simplify right side
    1,048.09x = 923,371.54
  5. Step 5: Solve for x
    x = 923,371.54/1,048.09
  6. Step 6: Final answer
    x = 881.01

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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.