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Finding the Fourth Proportional to 1,607.01, 2,218.08 and 1,048.87

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Solution

The fourth proportional to 1,607.01, 2,218.08 and 1,048.87 is: 1,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.01 : 2,218.08 = 1,048.87 : x
  2. Step 2: Convert to fraction form
    1,607.01/2,218.08 = 1,048.87/x
  3. Step 3: Cross multiply
    1,607.01x = 2,218.08 × 1,048.87
  4. Step 4: Simplify right side
    1,607.01x = 2,326,477.57
  5. Step 5: Solve for x
    x = 2,326,477.57/1,607.01
  6. Step 6: Final answer
    x = 1,447.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.