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Finding the Fourth Proportional to 18,347.07, 27,509.54 and 10,015.52

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Solution

The fourth proportional to 18,347.07, 27,509.54 and 10,015.52 is: 15,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.07 : 27,509.54 = 10,015.52 : x
  2. Step 2: Convert to fraction form
    18,347.07/27,509.54 = 10,015.52/x
  3. Step 3: Cross multiply
    18,347.07x = 27,509.54 × 10,015.52
  4. Step 4: Simplify right side
    18,347.07x = 275,522,160.44
  5. Step 5: Solve for x
    x = 275,522,160.44/18,347.07
  6. Step 6: Final answer
    x = 15,017.23

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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.