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Finding the Fourth Proportional to 2,895.96, 4,344.60 and 948.12

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Solution

The fourth proportional to 2,895.96, 4,344.60 and 948.12 is: 1,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.96 : 4,344.60 = 948.12 : x
  2. Step 2: Convert to fraction form
    2,895.96/4,344.60 = 948.12/x
  3. Step 3: Cross multiply
    2,895.96x = 4,344.60 × 948.12
  4. Step 4: Simplify right side
    2,895.96x = 4,119,202.15
  5. Step 5: Solve for x
    x = 4,119,202.15/2,895.96
  6. Step 6: Final answer
    x = 1,422.40

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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.