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Finding the Fourth Proportional to 1,713.08, 2,569.86 and 558.56

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Solution

The fourth proportional to 1,713.08, 2,569.86 and 558.56 is: 837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.08 : 2,569.86 = 558.56 : x
  2. Step 2: Convert to fraction form
    1,713.08/2,569.86 = 558.56/x
  3. Step 3: Cross multiply
    1,713.08x = 2,569.86 × 558.56
  4. Step 4: Simplify right side
    1,713.08x = 1,435,421.00
  5. Step 5: Solve for x
    x = 1,435,421.00/1,713.08
  6. Step 6: Final answer
    x = 837.92

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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.