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Finding the Fourth Proportional to 18,454.02, 27,684.06 and 9,094.47

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Solution

The fourth proportional to 18,454.02, 27,684.06 and 9,094.47 is: 13,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.02 : 27,684.06 = 9,094.47 : x
  2. Step 2: Convert to fraction form
    18,454.02/27,684.06 = 9,094.47/x
  3. Step 3: Cross multiply
    18,454.02x = 27,684.06 × 9,094.47
  4. Step 4: Simplify right side
    18,454.02x = 251,771,853.15
  5. Step 5: Solve for x
    x = 251,771,853.15/18,454.02
  6. Step 6: Final answer
    x = 13,643.20

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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.