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Finding the Fourth Proportional to 1,424.64, 1,965.94 and 795.14

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Solution

The fourth proportional to 1,424.64, 1,965.94 and 795.14 is: 1,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.64 : 1,965.94 = 795.14 : x
  2. Step 2: Convert to fraction form
    1,424.64/1,965.94 = 795.14/x
  3. Step 3: Cross multiply
    1,424.64x = 1,965.94 × 795.14
  4. Step 4: Simplify right side
    1,424.64x = 1,563,197.53
  5. Step 5: Solve for x
    x = 1,563,197.53/1,424.64
  6. Step 6: Final answer
    x = 1,097.26

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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.