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Finding the Fourth Proportional to 64,410.04, 88,871.74 and 62,286.22

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Solution

The fourth proportional to 64,410.04, 88,871.74 and 62,286.22 is: 85,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,410.04 : 88,871.74 = 62,286.22 : x
  2. Step 2: Convert to fraction form
    64,410.04/88,871.74 = 62,286.22/x
  3. Step 3: Cross multiply
    64,410.04x = 88,871.74 × 62,286.22
  4. Step 4: Simplify right side
    64,410.04x = 5,535,484,749.42
  5. Step 5: Solve for x
    x = 5,535,484,749.42/64,410.04
  6. Step 6: Final answer
    x = 85,941.33

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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.