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Finding the Fourth Proportional to 6,234.19, 8,603.19 and 3,439.69

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Solution

The fourth proportional to 6,234.19, 8,603.19 and 3,439.69 is: 4,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,234.19 : 8,603.19 = 3,439.69 : x
  2. Step 2: Convert to fraction form
    6,234.19/8,603.19 = 3,439.69/x
  3. Step 3: Cross multiply
    6,234.19x = 8,603.19 × 3,439.69
  4. Step 4: Simplify right side
    6,234.19x = 29,592,285.10
  5. Step 5: Solve for x
    x = 29,592,285.10/6,234.19
  6. Step 6: Final answer
    x = 4,746.77

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Half scale
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Double scale
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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.