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Finding the Fourth Proportional to 1,114.64, 1,671.99 and 566.08

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Solution

The fourth proportional to 1,114.64, 1,671.99 and 566.08 is: 849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.64 : 1,671.99 = 566.08 : x
  2. Step 2: Convert to fraction form
    1,114.64/1,671.99 = 566.08/x
  3. Step 3: Cross multiply
    1,114.64x = 1,671.99 × 566.08
  4. Step 4: Simplify right side
    1,114.64x = 946,480.10
  5. Step 5: Solve for x
    x = 946,480.10/1,114.64
  6. Step 6: Final answer
    x = 849.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.