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Finding the Fourth Proportional to 6,736.42, 9,335.51 and 6,642.34

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Solution

The fourth proportional to 6,736.42, 9,335.51 and 6,642.34 is: 9,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,736.42 : 9,335.51 = 6,642.34 : x
  2. Step 2: Convert to fraction form
    6,736.42/9,335.51 = 6,642.34/x
  3. Step 3: Cross multiply
    6,736.42x = 9,335.51 × 6,642.34
  4. Step 4: Simplify right side
    6,736.42x = 62,009,631.49
  5. Step 5: Solve for x
    x = 62,009,631.49/6,736.42
  6. Step 6: Final answer
    x = 9,205.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.