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Finding the Fourth Proportional to 18,598.50, 27,890.46 and 7,503.12

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Solution

The fourth proportional to 18,598.50, 27,890.46 and 7,503.12 is: 11,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.50 : 27,890.46 = 7,503.12 : x
  2. Step 2: Convert to fraction form
    18,598.50/27,890.46 = 7,503.12/x
  3. Step 3: Cross multiply
    18,598.50x = 27,890.46 × 7,503.12
  4. Step 4: Simplify right side
    18,598.50x = 209,265,468.24
  5. Step 5: Solve for x
    x = 209,265,468.24/18,598.50
  6. Step 6: Final answer
    x = 11,251.74

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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.