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Finding the Fourth Proportional to 4,731.68, 7,097.90 and 1,444.80

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Solution

The fourth proportional to 4,731.68, 7,097.90 and 1,444.80 is: 2,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.68 : 7,097.90 = 1,444.80 : x
  2. Step 2: Convert to fraction form
    4,731.68/7,097.90 = 1,444.80/x
  3. Step 3: Cross multiply
    4,731.68x = 7,097.90 × 1,444.80
  4. Step 4: Simplify right side
    4,731.68x = 10,255,065.31
  5. Step 5: Solve for x
    x = 10,255,065.31/4,731.68
  6. Step 6: Final answer
    x = 2,167.32

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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.