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Finding the Fourth Proportional to 64,884, 89,552.88 and 36,590.16

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Solution

The fourth proportional to 64,884, 89,552.88 and 36,590.16 is: 50,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,884 : 89,552.88 = 36,590.16 : x
  2. Step 2: Convert to fraction form
    64,884/89,552.88 = 36,590.16/x
  3. Step 3: Cross multiply
    64,884x = 89,552.88 × 36,590.16
  4. Step 4: Simplify right side
    64,884x = 3,276,754,207.66
  5. Step 5: Solve for x
    x = 3,276,754,207.66/64,884
  6. Step 6: Final answer
    x = 50,501.73

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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.