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Finding the Fourth Proportional to 6,338.35, 9,507.53 and 1,955.80

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Solution

The fourth proportional to 6,338.35, 9,507.53 and 1,955.80 is: 2,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.35 : 9,507.53 = 1,955.80 : x
  2. Step 2: Convert to fraction form
    6,338.35/9,507.53 = 1,955.80/x
  3. Step 3: Cross multiply
    6,338.35x = 9,507.53 × 1,955.80
  4. Step 4: Simplify right side
    6,338.35x = 18,594,827.17
  5. Step 5: Solve for x
    x = 18,594,827.17/6,338.35
  6. Step 6: Final answer
    x = 2,933.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.