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Finding the Fourth Proportional to 64,426.06, 88,887 and 36,126.28

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Solution

The fourth proportional to 64,426.06, 88,887 and 36,126.28 is: 49,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,426.06 : 88,887 = 36,126.28 : x
  2. Step 2: Convert to fraction form
    64,426.06/88,887 = 36,126.28/x
  3. Step 3: Cross multiply
    64,426.06x = 88,887 × 36,126.28
  4. Step 4: Simplify right side
    64,426.06x = 3,211,156,650.36
  5. Step 5: Solve for x
    x = 3,211,156,650.36/64,426.06
  6. Step 6: Final answer
    x = 49,842.51

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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.