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Finding the Fourth Proportional to 15,980.70, 22,058.55 and 10,676.70

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Solution

The fourth proportional to 15,980.70, 22,058.55 and 10,676.70 is: 14,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.70 : 22,058.55 = 10,676.70 : x
  2. Step 2: Convert to fraction form
    15,980.70/22,058.55 = 10,676.70/x
  3. Step 3: Cross multiply
    15,980.70x = 22,058.55 × 10,676.70
  4. Step 4: Simplify right side
    15,980.70x = 235,512,520.79
  5. Step 5: Solve for x
    x = 235,512,520.79/15,980.70
  6. Step 6: Final answer
    x = 14,737.31

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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.