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Finding the Fourth Proportional to 9,059.56, 12,503.10 and 5,910.28

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Solution

The fourth proportional to 9,059.56, 12,503.10 and 5,910.28 is: 8,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.56 : 12,503.10 = 5,910.28 : x
  2. Step 2: Convert to fraction form
    9,059.56/12,503.10 = 5,910.28/x
  3. Step 3: Cross multiply
    9,059.56x = 12,503.10 × 5,910.28
  4. Step 4: Simplify right side
    9,059.56x = 73,896,821.87
  5. Step 5: Solve for x
    x = 73,896,821.87/9,059.56
  6. Step 6: Final answer
    x = 8,156.78

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Half scale
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Double scale
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Similar ratio
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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.