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Finding the Fourth Proportional to 18,065.79, 27,103.55 and 9,295.92

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Solution

The fourth proportional to 18,065.79, 27,103.55 and 9,295.92 is: 13,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.79 : 27,103.55 = 9,295.92 : x
  2. Step 2: Convert to fraction form
    18,065.79/27,103.55 = 9,295.92/x
  3. Step 3: Cross multiply
    18,065.79x = 27,103.55 × 9,295.92
  4. Step 4: Simplify right side
    18,065.79x = 251,952,386.04
  5. Step 5: Solve for x
    x = 251,952,386.04/18,065.79
  6. Step 6: Final answer
    x = 13,946.38

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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.