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Finding the Fourth Proportional to 18,574.82, 27,862.13 and 4,534.92

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Solution

The fourth proportional to 18,574.82, 27,862.13 and 4,534.92 is: 6,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.82 : 27,862.13 = 4,534.92 : x
  2. Step 2: Convert to fraction form
    18,574.82/27,862.13 = 4,534.92/x
  3. Step 3: Cross multiply
    18,574.82x = 27,862.13 × 4,534.92
  4. Step 4: Simplify right side
    18,574.82x = 126,352,507.91
  5. Step 5: Solve for x
    x = 126,352,507.91/18,574.82
  6. Step 6: Final answer
    x = 6,802.35

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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.