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Finding the Fourth Proportional to 1,566.58, 2,160.39 and 937.00

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Solution

The fourth proportional to 1,566.58, 2,160.39 and 937.00 is: 1,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.58 : 2,160.39 = 937.00 : x
  2. Step 2: Convert to fraction form
    1,566.58/2,160.39 = 937.00/x
  3. Step 3: Cross multiply
    1,566.58x = 2,160.39 × 937.00
  4. Step 4: Simplify right side
    1,566.58x = 2,024,286.15
  5. Step 5: Solve for x
    x = 2,024,286.15/1,566.58
  6. Step 6: Final answer
    x = 1,292.17

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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.