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Finding the Fourth Proportional to 8,045.44, 12,068.40 and 3,046.72

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Solution

The fourth proportional to 8,045.44, 12,068.40 and 3,046.72 is: 4,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.44 : 12,068.40 = 3,046.72 : x
  2. Step 2: Convert to fraction form
    8,045.44/12,068.40 = 3,046.72/x
  3. Step 3: Cross multiply
    8,045.44x = 12,068.40 × 3,046.72
  4. Step 4: Simplify right side
    8,045.44x = 36,769,035.65
  5. Step 5: Solve for x
    x = 36,769,035.65/8,045.44
  6. Step 6: Final answer
    x = 4,570.17

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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.