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Finding the Fourth Proportional to 1,352.66, 1,866.68 and 793.14

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Solution

The fourth proportional to 1,352.66, 1,866.68 and 793.14 is: 1,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.66 : 1,866.68 = 793.14 : x
  2. Step 2: Convert to fraction form
    1,352.66/1,866.68 = 793.14/x
  3. Step 3: Cross multiply
    1,352.66x = 1,866.68 × 793.14
  4. Step 4: Simplify right side
    1,352.66x = 1,480,534.61
  5. Step 5: Solve for x
    x = 1,480,534.61/1,352.66
  6. Step 6: Final answer
    x = 1,094.54

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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.