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Finding the Fourth Proportional to 1,424.55, 1,965.92 and 795.18

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Solution

The fourth proportional to 1,424.55, 1,965.92 and 795.18 is: 1,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.55 : 1,965.92 = 795.18 : x
  2. Step 2: Convert to fraction form
    1,424.55/1,965.92 = 795.18/x
  3. Step 3: Cross multiply
    1,424.55x = 1,965.92 × 795.18
  4. Step 4: Simplify right side
    1,424.55x = 1,563,260.27
  5. Step 5: Solve for x
    x = 1,563,260.27/1,424.55
  6. Step 6: Final answer
    x = 1,097.37

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1.5x scale

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.