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Finding the Fourth Proportional to 18,095.73, 27,143.73 and 5,615.52

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Solution

The fourth proportional to 18,095.73, 27,143.73 and 5,615.52 is: 8,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.73 : 27,143.73 = 5,615.52 : x
  2. Step 2: Convert to fraction form
    18,095.73/27,143.73 = 5,615.52/x
  3. Step 3: Cross multiply
    18,095.73x = 27,143.73 × 5,615.52
  4. Step 4: Simplify right side
    18,095.73x = 152,426,158.69
  5. Step 5: Solve for x
    x = 152,426,158.69/18,095.73
  6. Step 6: Final answer
    x = 8,423.32

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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.