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Finding the Fourth Proportional to 2,967.08, 4,451.50 and 887.15

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Solution

The fourth proportional to 2,967.08, 4,451.50 and 887.15 is: 1,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.08 : 4,451.50 = 887.15 : x
  2. Step 2: Convert to fraction form
    2,967.08/4,451.50 = 887.15/x
  3. Step 3: Cross multiply
    2,967.08x = 4,451.50 × 887.15
  4. Step 4: Simplify right side
    2,967.08x = 3,949,128.19
  5. Step 5: Solve for x
    x = 3,949,128.19/2,967.08
  6. Step 6: Final answer
    x = 1,330.98

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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.