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Finding the Fourth Proportional to 18,053.07, 27,079.14 and 4,905.10

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Solution

The fourth proportional to 18,053.07, 27,079.14 and 4,905.10 is: 7,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.07 : 27,079.14 = 4,905.10 : x
  2. Step 2: Convert to fraction form
    18,053.07/27,079.14 = 4,905.10/x
  3. Step 3: Cross multiply
    18,053.07x = 27,079.14 × 4,905.10
  4. Step 4: Simplify right side
    18,053.07x = 132,825,889.61
  5. Step 5: Solve for x
    x = 132,825,889.61/18,053.07
  6. Step 6: Final answer
    x = 7,357.52

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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.