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Finding the Fourth Proportional to 5,851.36, 8,774.52 and 1,954.72

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Solution

The fourth proportional to 5,851.36, 8,774.52 and 1,954.72 is: 2,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.36 : 8,774.52 = 1,954.72 : x
  2. Step 2: Convert to fraction form
    5,851.36/8,774.52 = 1,954.72/x
  3. Step 3: Cross multiply
    5,851.36x = 8,774.52 × 1,954.72
  4. Step 4: Simplify right side
    5,851.36x = 17,151,729.73
  5. Step 5: Solve for x
    x = 17,151,729.73/5,851.36
  6. Step 6: Final answer
    x = 2,931.24

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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.