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Finding the Fourth Proportional to 64,722.60, 97,097.76 and 36,655.92

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Solution

The fourth proportional to 64,722.60, 97,097.76 and 36,655.92 is: 54,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,722.60 : 97,097.76 = 36,655.92 : x
  2. Step 2: Convert to fraction form
    64,722.60/97,097.76 = 36,655.92/x
  3. Step 3: Cross multiply
    64,722.60x = 97,097.76 × 36,655.92
  4. Step 4: Simplify right side
    64,722.60x = 3,559,207,722.74
  5. Step 5: Solve for x
    x = 3,559,207,722.74/64,722.60
  6. Step 6: Final answer
    x = 54,991.73

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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.