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Finding the Fourth Proportional to 18,559.28, 27,839.04 and 4,708.32

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Solution

The fourth proportional to 18,559.28, 27,839.04 and 4,708.32 is: 7,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.28 : 27,839.04 = 4,708.32 : x
  2. Step 2: Convert to fraction form
    18,559.28/27,839.04 = 4,708.32/x
  3. Step 3: Cross multiply
    18,559.28x = 27,839.04 × 4,708.32
  4. Step 4: Simplify right side
    18,559.28x = 131,075,108.81
  5. Step 5: Solve for x
    x = 131,075,108.81/18,559.28
  6. Step 6: Final answer
    x = 7,062.51

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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.