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Finding the Fourth Proportional to 18,042.12, 27,062.10 and 7,509.48

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Solution

The fourth proportional to 18,042.12, 27,062.10 and 7,509.48 is: 11,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.12 : 27,062.10 = 7,509.48 : x
  2. Step 2: Convert to fraction form
    18,042.12/27,062.10 = 7,509.48/x
  3. Step 3: Cross multiply
    18,042.12x = 27,062.10 × 7,509.48
  4. Step 4: Simplify right side
    18,042.12x = 203,222,298.71
  5. Step 5: Solve for x
    x = 203,222,298.71/18,042.12
  6. Step 6: Final answer
    x = 11,263.77

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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.