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Finding the Fourth Proportional to 3,038.93, 4,193.80 and 1,712.55

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Solution

The fourth proportional to 3,038.93, 4,193.80 and 1,712.55 is: 2,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.93 : 4,193.80 = 1,712.55 : x
  2. Step 2: Convert to fraction form
    3,038.93/4,193.80 = 1,712.55/x
  3. Step 3: Cross multiply
    3,038.93x = 4,193.80 × 1,712.55
  4. Step 4: Simplify right side
    3,038.93x = 7,182,087.91
  5. Step 5: Solve for x
    x = 7,182,087.91/3,038.93
  6. Step 6: Final answer
    x = 2,363.36

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