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Finding the Fourth Proportional to 18,434.70, 27,652.02 and 4,583.70

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Solution

The fourth proportional to 18,434.70, 27,652.02 and 4,583.70 is: 6,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.70 : 27,652.02 = 4,583.70 : x
  2. Step 2: Convert to fraction form
    18,434.70/27,652.02 = 4,583.70/x
  3. Step 3: Cross multiply
    18,434.70x = 27,652.02 × 4,583.70
  4. Step 4: Simplify right side
    18,434.70x = 126,748,564.07
  5. Step 5: Solve for x
    x = 126,748,564.07/18,434.70
  6. Step 6: Final answer
    x = 6,875.54

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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.