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Finding the Fourth Proportional to 64,990.55, 97,330.01 and 35,334.83

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Solution

The fourth proportional to 64,990.55, 97,330.01 and 35,334.83 is: 52,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,990.55 : 97,330.01 = 35,334.83 : x
  2. Step 2: Convert to fraction form
    64,990.55/97,330.01 = 35,334.83/x
  3. Step 3: Cross multiply
    64,990.55x = 97,330.01 × 35,334.83
  4. Step 4: Simplify right side
    64,990.55x = 3,439,139,423.90
  5. Step 5: Solve for x
    x = 3,439,139,423.90/64,990.55
  6. Step 6: Final answer
    x = 52,917.53

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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.