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Finding the Fourth Proportional to 18,599.63, 27,875.70 and 8,717.14

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Solution

The fourth proportional to 18,599.63, 27,875.70 and 8,717.14 is: 13,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.63 : 27,875.70 = 8,717.14 : x
  2. Step 2: Convert to fraction form
    18,599.63/27,875.70 = 8,717.14/x
  3. Step 3: Cross multiply
    18,599.63x = 27,875.70 × 8,717.14
  4. Step 4: Simplify right side
    18,599.63x = 242,996,240.12
  5. Step 5: Solve for x
    x = 242,996,240.12/18,599.63
  6. Step 6: Final answer
    x = 13,064.57

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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.