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Finding the Fourth Proportional to 3,347.58, 5,019.93 and 1,156.53

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Solution

The fourth proportional to 3,347.58, 5,019.93 and 1,156.53 is: 1,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.58 : 5,019.93 = 1,156.53 : x
  2. Step 2: Convert to fraction form
    3,347.58/5,019.93 = 1,156.53/x
  3. Step 3: Cross multiply
    3,347.58x = 5,019.93 × 1,156.53
  4. Step 4: Simplify right side
    3,347.58x = 5,805,699.64
  5. Step 5: Solve for x
    x = 5,805,699.64/3,347.58
  6. Step 6: Final answer
    x = 1,734.30

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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.