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Finding the Fourth Proportional to 10,537.95, 15,806.93 and 5,855.73

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Solution

The fourth proportional to 10,537.95, 15,806.93 and 5,855.73 is: 8,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.95 : 15,806.93 = 5,855.73 : x
  2. Step 2: Convert to fraction form
    10,537.95/15,806.93 = 5,855.73/x
  3. Step 3: Cross multiply
    10,537.95x = 15,806.93 × 5,855.73
  4. Step 4: Simplify right side
    10,537.95x = 92,561,049.81
  5. Step 5: Solve for x
    x = 92,561,049.81/10,537.95
  6. Step 6: Final answer
    x = 8,783.59

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.