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Finding the Fourth Proportional to 1,093.32, 1,509.12 and 700.02

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Solution

The fourth proportional to 1,093.32, 1,509.12 and 700.02 is: 966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.32 : 1,509.12 = 700.02 : x
  2. Step 2: Convert to fraction form
    1,093.32/1,509.12 = 700.02/x
  3. Step 3: Cross multiply
    1,093.32x = 1,509.12 × 700.02
  4. Step 4: Simplify right side
    1,093.32x = 1,056,414.18
  5. Step 5: Solve for x
    x = 1,056,414.18/1,093.32
  6. Step 6: Final answer
    x = 966.24

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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.