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Finding the Fourth Proportional to 10,064.70, 15,058.17 and 5,450.94

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Solution

The fourth proportional to 10,064.70, 15,058.17 and 5,450.94 is: 8,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.70 : 15,058.17 = 5,450.94 : x
  2. Step 2: Convert to fraction form
    10,064.70/15,058.17 = 5,450.94/x
  3. Step 3: Cross multiply
    10,064.70x = 15,058.17 × 5,450.94
  4. Step 4: Simplify right side
    10,064.70x = 82,081,181.18
  5. Step 5: Solve for x
    x = 82,081,181.18/10,064.70
  6. Step 6: Final answer
    x = 8,155.35

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1.5x scale

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.