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Finding the Fourth Proportional to 1,677.92, 2,530.85 and 1,475.01

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Solution

The fourth proportional to 1,677.92, 2,530.85 and 1,475.01 is: 2,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.92 : 2,530.85 = 1,475.01 : x
  2. Step 2: Convert to fraction form
    1,677.92/2,530.85 = 1,475.01/x
  3. Step 3: Cross multiply
    1,677.92x = 2,530.85 × 1,475.01
  4. Step 4: Simplify right side
    1,677.92x = 3,733,021.68
  5. Step 5: Solve for x
    x = 3,733,021.68/1,677.92
  6. Step 6: Final answer
    x = 2,224.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.