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Finding the Fourth Proportional to 5,068.52, 6,995.04 and 3,078.62

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Solution

The fourth proportional to 5,068.52, 6,995.04 and 3,078.62 is: 4,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.52 : 6,995.04 = 3,078.62 : x
  2. Step 2: Convert to fraction form
    5,068.52/6,995.04 = 3,078.62/x
  3. Step 3: Cross multiply
    5,068.52x = 6,995.04 × 3,078.62
  4. Step 4: Simplify right side
    5,068.52x = 21,535,070.04
  5. Step 5: Solve for x
    x = 21,535,070.04/5,068.52
  6. Step 6: Final answer
    x = 4,248.79

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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.