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Finding the Fourth Proportional to 4,617.18, 6,926.16 and 1,285.65

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Solution

The fourth proportional to 4,617.18, 6,926.16 and 1,285.65 is: 1,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.18 : 6,926.16 = 1,285.65 : x
  2. Step 2: Convert to fraction form
    4,617.18/6,926.16 = 1,285.65/x
  3. Step 3: Cross multiply
    4,617.18x = 6,926.16 × 1,285.65
  4. Step 4: Simplify right side
    4,617.18x = 8,904,617.60
  5. Step 5: Solve for x
    x = 8,904,617.60/4,617.18
  6. Step 6: Final answer
    x = 1,928.58

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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.