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Finding the Fourth Proportional to 18,034.79, 27,051.16 and 4,886.19

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Solution

The fourth proportional to 18,034.79, 27,051.16 and 4,886.19 is: 7,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034.79 : 27,051.16 = 4,886.19 : x
  2. Step 2: Convert to fraction form
    18,034.79/27,051.16 = 4,886.19/x
  3. Step 3: Cross multiply
    18,034.79x = 27,051.16 × 4,886.19
  4. Step 4: Simplify right side
    18,034.79x = 132,177,107.48
  5. Step 5: Solve for x
    x = 132,177,107.48/18,034.79
  6. Step 6: Final answer
    x = 7,329.01

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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.