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Finding the Fourth Proportional to 1,196.84, 1,652.20 and 804.14

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Solution

The fourth proportional to 1,196.84, 1,652.20 and 804.14 is: 1,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.84 : 1,652.20 = 804.14 : x
  2. Step 2: Convert to fraction form
    1,196.84/1,652.20 = 804.14/x
  3. Step 3: Cross multiply
    1,196.84x = 1,652.20 × 804.14
  4. Step 4: Simplify right side
    1,196.84x = 1,328,600.11
  5. Step 5: Solve for x
    x = 1,328,600.11/1,196.84
  6. Step 6: Final answer
    x = 1,110.09

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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.