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Finding the Fourth Proportional to 63,504, 87,555.96 and 40,803.12

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Solution

The fourth proportional to 63,504, 87,555.96 and 40,803.12 is: 56,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,504 : 87,555.96 = 40,803.12 : x
  2. Step 2: Convert to fraction form
    63,504/87,555.96 = 40,803.12/x
  3. Step 3: Cross multiply
    63,504x = 87,555.96 × 40,803.12
  4. Step 4: Simplify right side
    63,504x = 3,572,556,342.60
  5. Step 5: Solve for x
    x = 3,572,556,342.60/63,504
  6. Step 6: Final answer
    x = 56,257.19

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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.