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Finding the Fourth Proportional to 6,170.09, 8,510.09 and 4,281.69

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Solution

The fourth proportional to 6,170.09, 8,510.09 and 4,281.69 is: 5,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.09 : 8,510.09 = 4,281.69 : x
  2. Step 2: Convert to fraction form
    6,170.09/8,510.09 = 4,281.69/x
  3. Step 3: Cross multiply
    6,170.09x = 8,510.09 × 4,281.69
  4. Step 4: Simplify right side
    6,170.09x = 36,437,545.84
  5. Step 5: Solve for x
    x = 36,437,545.84/6,170.09
  6. Step 6: Final answer
    x = 5,905.51

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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.