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Finding the Fourth Proportional to 1,114.02, 1,671.02 and 565.80

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Solution

The fourth proportional to 1,114.02, 1,671.02 and 565.80 is: 848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.02 : 1,671.02 = 565.80 : x
  2. Step 2: Convert to fraction form
    1,114.02/1,671.02 = 565.80/x
  3. Step 3: Cross multiply
    1,114.02x = 1,671.02 × 565.80
  4. Step 4: Simplify right side
    1,114.02x = 945,463.12
  5. Step 5: Solve for x
    x = 945,463.12/1,114.02
  6. Step 6: Final answer
    x = 848.69

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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.