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Finding the Fourth Proportional to 6,698.42, 9,243.68 and 3,714.08

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Solution

The fourth proportional to 6,698.42, 9,243.68 and 3,714.08 is: 5,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.42 : 9,243.68 = 3,714.08 : x
  2. Step 2: Convert to fraction form
    6,698.42/9,243.68 = 3,714.08/x
  3. Step 3: Cross multiply
    6,698.42x = 9,243.68 × 3,714.08
  4. Step 4: Simplify right side
    6,698.42x = 34,331,730.08
  5. Step 5: Solve for x
    x = 34,331,730.08/6,698.42
  6. Step 6: Final answer
    x = 5,125.35

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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.