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Finding the Fourth Proportional to 1,707.52, 2,559.79 and 1,417.43

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Solution

The fourth proportional to 1,707.52, 2,559.79 and 1,417.43 is: 2,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.52 : 2,559.79 = 1,417.43 : x
  2. Step 2: Convert to fraction form
    1,707.52/2,559.79 = 1,417.43/x
  3. Step 3: Cross multiply
    1,707.52x = 2,559.79 × 1,417.43
  4. Step 4: Simplify right side
    1,707.52x = 3,628,323.14
  5. Step 5: Solve for x
    x = 3,628,323.14/1,707.52
  6. Step 6: Final answer
    x = 2,124.91

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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.