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Finding the Fourth Proportional to 12,292.44, 16,964.74 and 7,258.20

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Solution

The fourth proportional to 12,292.44, 16,964.74 and 7,258.20 is: 10,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.44 : 16,964.74 = 7,258.20 : x
  2. Step 2: Convert to fraction form
    12,292.44/16,964.74 = 7,258.20/x
  3. Step 3: Cross multiply
    12,292.44x = 16,964.74 × 7,258.20
  4. Step 4: Simplify right side
    12,292.44x = 123,133,475.87
  5. Step 5: Solve for x
    x = 123,133,475.87/12,292.44
  6. Step 6: Final answer
    x = 10,017.01

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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.