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Finding the Fourth Proportional to 18,494.43, 27,718.03 and 9,009.02

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Solution

The fourth proportional to 18,494.43, 27,718.03 and 9,009.02 is: 13,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.43 : 27,718.03 = 9,009.02 : x
  2. Step 2: Convert to fraction form
    18,494.43/27,718.03 = 9,009.02/x
  3. Step 3: Cross multiply
    18,494.43x = 27,718.03 × 9,009.02
  4. Step 4: Simplify right side
    18,494.43x = 249,712,367.19
  5. Step 5: Solve for x
    x = 249,712,367.19/18,494.43
  6. Step 6: Final answer
    x = 13,502.03

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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.