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Finding the Fourth Proportional to 3,256.74, 4,885.11 and 1,955.34

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Solution

The fourth proportional to 3,256.74, 4,885.11 and 1,955.34 is: 2,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.74 : 4,885.11 = 1,955.34 : x
  2. Step 2: Convert to fraction form
    3,256.74/4,885.11 = 1,955.34/x
  3. Step 3: Cross multiply
    3,256.74x = 4,885.11 × 1,955.34
  4. Step 4: Simplify right side
    3,256.74x = 9,552,050.99
  5. Step 5: Solve for x
    x = 9,552,050.99/3,256.74
  6. Step 6: Final answer
    x = 2,933.01

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Double scale
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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.