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Finding the Fourth Proportional to 1,712.88, 2,570.52 and 934.48

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Solution

The fourth proportional to 1,712.88, 2,570.52 and 934.48 is: 1,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.88 : 2,570.52 = 934.48 : x
  2. Step 2: Convert to fraction form
    1,712.88/2,570.52 = 934.48/x
  3. Step 3: Cross multiply
    1,712.88x = 2,570.52 × 934.48
  4. Step 4: Simplify right side
    1,712.88x = 2,402,099.53
  5. Step 5: Solve for x
    x = 2,402,099.53/1,712.88
  6. Step 6: Final answer
    x = 1,402.37

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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.