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Finding the Fourth Proportional to 3,275.06, 4,905.21 and 1,885.10

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Solution

The fourth proportional to 3,275.06, 4,905.21 and 1,885.10 is: 2,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.06 : 4,905.21 = 1,885.10 : x
  2. Step 2: Convert to fraction form
    3,275.06/4,905.21 = 1,885.10/x
  3. Step 3: Cross multiply
    3,275.06x = 4,905.21 × 1,885.10
  4. Step 4: Simplify right side
    3,275.06x = 9,246,811.37
  5. Step 5: Solve for x
    x = 9,246,811.37/3,275.06
  6. Step 6: Final answer
    x = 2,823.40

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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.