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Finding the Fourth Proportional to 47,988.91, 66,224.94 and 26,478.91

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Solution

The fourth proportional to 47,988.91, 66,224.94 and 26,478.91 is: 36,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,988.91 : 66,224.94 = 26,478.91 : x
  2. Step 2: Convert to fraction form
    47,988.91/66,224.94 = 26,478.91/x
  3. Step 3: Cross multiply
    47,988.91x = 66,224.94 × 26,478.91
  4. Step 4: Simplify right side
    47,988.91x = 1,753,564,226.02
  5. Step 5: Solve for x
    x = 1,753,564,226.02/47,988.91
  6. Step 6: Final answer
    x = 36,541.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.