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Finding the Fourth Proportional to 6,953.15, 9,595.31 and 3,968.79

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Solution

The fourth proportional to 6,953.15, 9,595.31 and 3,968.79 is: 5,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953.15 : 9,595.31 = 3,968.79 : x
  2. Step 2: Convert to fraction form
    6,953.15/9,595.31 = 3,968.79/x
  3. Step 3: Cross multiply
    6,953.15x = 9,595.31 × 3,968.79
  4. Step 4: Simplify right side
    6,953.15x = 38,081,750.53
  5. Step 5: Solve for x
    x = 38,081,750.53/6,953.15
  6. Step 6: Final answer
    x = 5,476.91

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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.