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Finding the Fourth Proportional to 64,392.69, 88,861.86 and 36,098.38

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Solution

The fourth proportional to 64,392.69, 88,861.86 and 36,098.38 is: 49,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,392.69 : 88,861.86 = 36,098.38 : x
  2. Step 2: Convert to fraction form
    64,392.69/88,861.86 = 36,098.38/x
  3. Step 3: Cross multiply
    64,392.69x = 88,861.86 × 36,098.38
  4. Step 4: Simplify right side
    64,392.69x = 3,207,768,967.63
  5. Step 5: Solve for x
    x = 3,207,768,967.63/64,392.69
  6. Step 6: Final answer
    x = 49,815.73

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1.5x scale

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.