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Finding the Fourth Proportional to 28,809.13, 43,184.04 and 11,034.97

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Solution

The fourth proportional to 28,809.13, 43,184.04 and 11,034.97 is: 16,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.13 : 43,184.04 = 11,034.97 : x
  2. Step 2: Convert to fraction form
    28,809.13/43,184.04 = 11,034.97/x
  3. Step 3: Cross multiply
    28,809.13x = 43,184.04 × 11,034.97
  4. Step 4: Simplify right side
    28,809.13x = 476,534,585.88
  5. Step 5: Solve for x
    x = 476,534,585.88/28,809.13
  6. Step 6: Final answer
    x = 16,541.10

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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.