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Finding the Fourth Proportional to 5,045.64, 6,961.04 and 3,055.47

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Solution

The fourth proportional to 5,045.64, 6,961.04 and 3,055.47 is: 4,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.64 : 6,961.04 = 3,055.47 : x
  2. Step 2: Convert to fraction form
    5,045.64/6,961.04 = 3,055.47/x
  3. Step 3: Cross multiply
    5,045.64x = 6,961.04 × 3,055.47
  4. Step 4: Simplify right side
    5,045.64x = 21,269,258.12
  5. Step 5: Solve for x
    x = 21,269,258.12/5,045.64
  6. Step 6: Final answer
    x = 4,215.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.