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Finding the Fourth Proportional to 18,359.25, 25,335.77 and 10,907.25

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Solution

The fourth proportional to 18,359.25, 25,335.77 and 10,907.25 is: 15,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.25 : 25,335.77 = 10,907.25 : x
  2. Step 2: Convert to fraction form
    18,359.25/25,335.77 = 10,907.25/x
  3. Step 3: Cross multiply
    18,359.25x = 25,335.77 × 10,907.25
  4. Step 4: Simplify right side
    18,359.25x = 276,343,522.80
  5. Step 5: Solve for x
    x = 276,343,522.80/18,359.25
  6. Step 6: Final answer
    x = 15,052.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.