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Finding the Fourth Proportional to 63,466.77, 87,593.79 and 40,506.50

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Solution

The fourth proportional to 63,466.77, 87,593.79 and 40,506.50 is: 55,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,466.77 : 87,593.79 = 40,506.50 : x
  2. Step 2: Convert to fraction form
    63,466.77/87,593.79 = 40,506.50/x
  3. Step 3: Cross multiply
    63,466.77x = 87,593.79 × 40,506.50
  4. Step 4: Simplify right side
    63,466.77x = 3,548,117,854.64
  5. Step 5: Solve for x
    x = 3,548,117,854.64/63,466.77
  6. Step 6: Final answer
    x = 55,905.13

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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.