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Finding the Fourth Proportional to 63,525.94, 87,594 and 40,525.08

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Solution

The fourth proportional to 63,525.94, 87,594 and 40,525.08 is: 55,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,525.94 : 87,594 = 40,525.08 : x
  2. Step 2: Convert to fraction form
    63,525.94/87,594 = 40,525.08/x
  3. Step 3: Cross multiply
    63,525.94x = 87,594 × 40,525.08
  4. Step 4: Simplify right side
    63,525.94x = 3,549,753,857.52
  5. Step 5: Solve for x
    x = 3,549,753,857.52/63,525.94
  6. Step 6: Final answer
    x = 55,878.81

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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.