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Finding the Fourth Proportional to 1,952.55, 2,695.01 and 1,355.08

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Solution

The fourth proportional to 1,952.55, 2,695.01 and 1,355.08 is: 1,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.55 : 2,695.01 = 1,355.08 : x
  2. Step 2: Convert to fraction form
    1,952.55/2,695.01 = 1,355.08/x
  3. Step 3: Cross multiply
    1,952.55x = 2,695.01 × 1,355.08
  4. Step 4: Simplify right side
    1,952.55x = 3,651,954.15
  5. Step 5: Solve for x
    x = 3,651,954.15/1,952.55
  6. Step 6: Final answer
    x = 1,870.35

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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.