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Finding the Fourth Proportional to 1,952.65, 2,695.28 and 1,155.93

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Solution

The fourth proportional to 1,952.65, 2,695.28 and 1,155.93 is: 1,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.65 : 2,695.28 = 1,155.93 : x
  2. Step 2: Convert to fraction form
    1,952.65/2,695.28 = 1,155.93/x
  3. Step 3: Cross multiply
    1,952.65x = 2,695.28 × 1,155.93
  4. Step 4: Simplify right side
    1,952.65x = 3,115,555.01
  5. Step 5: Solve for x
    x = 3,115,555.01/1,952.65
  6. Step 6: Final answer
    x = 1,595.55

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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.