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Finding the Fourth Proportional to 3,358, 5,037.72 and 1,411.84

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Solution

The fourth proportional to 3,358, 5,037.72 and 1,411.84 is: 2,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358 : 5,037.72 = 1,411.84 : x
  2. Step 2: Convert to fraction form
    3,358/5,037.72 = 1,411.84/x
  3. Step 3: Cross multiply
    3,358x = 5,037.72 × 1,411.84
  4. Step 4: Simplify right side
    3,358x = 7,112,454.60
  5. Step 5: Solve for x
    x = 7,112,454.60/3,358
  6. Step 6: Final answer
    x = 2,118.06

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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.