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Finding the Fourth Proportional to 1,594.71, 2,392.40 and 669.73

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Solution

The fourth proportional to 1,594.71, 2,392.40 and 669.73 is: 1,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.71 : 2,392.40 = 669.73 : x
  2. Step 2: Convert to fraction form
    1,594.71/2,392.40 = 669.73/x
  3. Step 3: Cross multiply
    1,594.71x = 2,392.40 × 669.73
  4. Step 4: Simplify right side
    1,594.71x = 1,602,252.72
  5. Step 5: Solve for x
    x = 1,602,252.72/1,594.71
  6. Step 6: Final answer
    x = 1,004.73

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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.