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Finding the Fourth Proportional to 18,573.08, 27,862.06 and 9,808.34

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Solution

The fourth proportional to 18,573.08, 27,862.06 and 9,808.34 is: 14,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.08 : 27,862.06 = 9,808.34 : x
  2. Step 2: Convert to fraction form
    18,573.08/27,862.06 = 9,808.34/x
  3. Step 3: Cross multiply
    18,573.08x = 27,862.06 × 9,808.34
  4. Step 4: Simplify right side
    18,573.08x = 273,280,557.58
  5. Step 5: Solve for x
    x = 273,280,557.58/18,573.08
  6. Step 6: Final answer
    x = 14,713.80

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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.