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Finding the Fourth Proportional to 12,036.66, 16,611.22 and 7,258.12

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Solution

The fourth proportional to 12,036.66, 16,611.22 and 7,258.12 is: 10,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.66 : 16,611.22 = 7,258.12 : x
  2. Step 2: Convert to fraction form
    12,036.66/16,611.22 = 7,258.12/x
  3. Step 3: Cross multiply
    12,036.66x = 16,611.22 × 7,258.12
  4. Step 4: Simplify right side
    12,036.66x = 120,566,228.11
  5. Step 5: Solve for x
    x = 120,566,228.11/12,036.66
  6. Step 6: Final answer
    x = 10,016.59

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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.