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Finding the Fourth Proportional to 3,803.04, 5,704.56 and 1,954.40

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Solution

The fourth proportional to 3,803.04, 5,704.56 and 1,954.40 is: 2,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.04 : 5,704.56 = 1,954.40 : x
  2. Step 2: Convert to fraction form
    3,803.04/5,704.56 = 1,954.40/x
  3. Step 3: Cross multiply
    3,803.04x = 5,704.56 × 1,954.40
  4. Step 4: Simplify right side
    3,803.04x = 11,148,963.54
  5. Step 5: Solve for x
    x = 11,148,963.54/3,803.04
  6. Step 6: Final answer
    x = 2,931.59

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Half scale
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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.