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Finding the Fourth Proportional to 1,895.70, 2,615.14 and 1,475.30

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Solution

The fourth proportional to 1,895.70, 2,615.14 and 1,475.30 is: 2,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.70 : 2,615.14 = 1,475.30 : x
  2. Step 2: Convert to fraction form
    1,895.70/2,615.14 = 1,475.30/x
  3. Step 3: Cross multiply
    1,895.70x = 2,615.14 × 1,475.30
  4. Step 4: Simplify right side
    1,895.70x = 3,858,116.04
  5. Step 5: Solve for x
    x = 3,858,116.04/1,895.70
  6. Step 6: Final answer
    x = 2,035.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.