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Finding the Fourth Proportional to 64,407.82, 88,922.19 and 51,033.10

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Solution

The fourth proportional to 64,407.82, 88,922.19 and 51,033.10 is: 70,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,407.82 : 88,922.19 = 51,033.10 : x
  2. Step 2: Convert to fraction form
    64,407.82/88,922.19 = 51,033.10/x
  3. Step 3: Cross multiply
    64,407.82x = 88,922.19 × 51,033.10
  4. Step 4: Simplify right side
    64,407.82x = 4,537,975,014.49
  5. Step 5: Solve for x
    x = 4,537,975,014.49/64,407.82
  6. Step 6: Final answer
    x = 70,456.90

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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.