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Finding the Fourth Proportional to 1,352.56, 1,866.24 and 793.06

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Solution

The fourth proportional to 1,352.56, 1,866.24 and 793.06 is: 1,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.56 : 1,866.24 = 793.06 : x
  2. Step 2: Convert to fraction form
    1,352.56/1,866.24 = 793.06/x
  3. Step 3: Cross multiply
    1,352.56x = 1,866.24 × 793.06
  4. Step 4: Simplify right side
    1,352.56x = 1,480,040.29
  5. Step 5: Solve for x
    x = 1,480,040.29/1,352.56
  6. Step 6: Final answer
    x = 1,094.25

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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.