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Finding the Fourth Proportional to 3,196.64, 4,795.20 and 888.14

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Solution

The fourth proportional to 3,196.64, 4,795.20 and 888.14 is: 1,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.64 : 4,795.20 = 888.14 : x
  2. Step 2: Convert to fraction form
    3,196.64/4,795.20 = 888.14/x
  3. Step 3: Cross multiply
    3,196.64x = 4,795.20 × 888.14
  4. Step 4: Simplify right side
    3,196.64x = 4,258,808.93
  5. Step 5: Solve for x
    x = 4,258,808.93/3,196.64
  6. Step 6: Final answer
    x = 1,332.28

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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.