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Finding the Fourth Proportional to 64,808.50, 97,212.76 and 15,560.50

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Solution

The fourth proportional to 64,808.50, 97,212.76 and 15,560.50 is: 23,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,808.50 : 97,212.76 = 15,560.50 : x
  2. Step 2: Convert to fraction form
    64,808.50/97,212.76 = 15,560.50/x
  3. Step 3: Cross multiply
    64,808.50x = 97,212.76 × 15,560.50
  4. Step 4: Simplify right side
    64,808.50x = 1,512,679,151.98
  5. Step 5: Solve for x
    x = 1,512,679,151.98/64,808.50
  6. Step 6: Final answer
    x = 23,340.75

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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.