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Finding the Fourth Proportional to 8,737.89, 12,058.09 and 4,759.03

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Solution

The fourth proportional to 8,737.89, 12,058.09 and 4,759.03 is: 6,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.89 : 12,058.09 = 4,759.03 : x
  2. Step 2: Convert to fraction form
    8,737.89/12,058.09 = 4,759.03/x
  3. Step 3: Cross multiply
    8,737.89x = 12,058.09 × 4,759.03
  4. Step 4: Simplify right side
    8,737.89x = 57,384,812.05
  5. Step 5: Solve for x
    x = 57,384,812.05/8,737.89
  6. Step 6: Final answer
    x = 6,567.35

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1.5x scale

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.