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Finding the Fourth Proportional to 6,192.78, 8,542.58 and 4,068.65

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Solution

The fourth proportional to 6,192.78, 8,542.58 and 4,068.65 is: 5,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.78 : 8,542.58 = 4,068.65 : x
  2. Step 2: Convert to fraction form
    6,192.78/8,542.58 = 4,068.65/x
  3. Step 3: Cross multiply
    6,192.78x = 8,542.58 × 4,068.65
  4. Step 4: Simplify right side
    6,192.78x = 34,756,705.06
  5. Step 5: Solve for x
    x = 34,756,705.06/6,192.78
  6. Step 6: Final answer
    x = 5,612.46

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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.