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Finding the Fourth Proportional to 6,588.77, 9,883.15 and 1,658.45

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Solution

The fourth proportional to 6,588.77, 9,883.15 and 1,658.45 is: 2,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,588.77 : 9,883.15 = 1,658.45 : x
  2. Step 2: Convert to fraction form
    6,588.77/9,883.15 = 1,658.45/x
  3. Step 3: Cross multiply
    6,588.77x = 9,883.15 × 1,658.45
  4. Step 4: Simplify right side
    6,588.77x = 16,390,709.88
  5. Step 5: Solve for x
    x = 16,390,709.88/6,588.77
  6. Step 6: Final answer
    x = 2,487.67

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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.