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Finding the Fourth Proportional to 4,672.72, 7,009.92 and 1,594

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Solution

The fourth proportional to 4,672.72, 7,009.92 and 1,594 is: 2,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.72 : 7,009.92 = 1,594 : x
  2. Step 2: Convert to fraction form
    4,672.72/7,009.92 = 1,594/x
  3. Step 3: Cross multiply
    4,672.72x = 7,009.92 × 1,594
  4. Step 4: Simplify right side
    4,672.72x = 11,173,812.48
  5. Step 5: Solve for x
    x = 11,173,812.48/4,672.72
  6. Step 6: Final answer
    x = 2,391.29

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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.