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Finding the Fourth Proportional to 18,159.63, 27,254.16 and 9,397.05

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Solution

The fourth proportional to 18,159.63, 27,254.16 and 9,397.05 is: 14,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.63 : 27,254.16 = 9,397.05 : x
  2. Step 2: Convert to fraction form
    18,159.63/27,254.16 = 9,397.05/x
  3. Step 3: Cross multiply
    18,159.63x = 27,254.16 × 9,397.05
  4. Step 4: Simplify right side
    18,159.63x = 256,108,704.23
  5. Step 5: Solve for x
    x = 256,108,704.23/18,159.63
  6. Step 6: Final answer
    x = 14,103.19

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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.