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Finding the Fourth Proportional to 9,358.55, 12,903.12 and 5,995.83

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Solution

The fourth proportional to 9,358.55, 12,903.12 and 5,995.83 is: 8,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.55 : 12,903.12 = 5,995.83 : x
  2. Step 2: Convert to fraction form
    9,358.55/12,903.12 = 5,995.83/x
  3. Step 3: Cross multiply
    9,358.55x = 12,903.12 × 5,995.83
  4. Step 4: Simplify right side
    9,358.55x = 77,364,913.99
  5. Step 5: Solve for x
    x = 77,364,913.99/9,358.55
  6. Step 6: Final answer
    x = 8,266.77

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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.