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Finding the Fourth Proportional to 3,097.08, 4,644.74 and 875.76

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Solution

The fourth proportional to 3,097.08, 4,644.74 and 875.76 is: 1,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.08 : 4,644.74 = 875.76 : x
  2. Step 2: Convert to fraction form
    3,097.08/4,644.74 = 875.76/x
  3. Step 3: Cross multiply
    3,097.08x = 4,644.74 × 875.76
  4. Step 4: Simplify right side
    3,097.08x = 4,067,677.50
  5. Step 5: Solve for x
    x = 4,067,677.50/3,097.08
  6. Step 6: Final answer
    x = 1,313.39

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1.5x scale

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.