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Finding the Fourth Proportional to 63,412.62, 87,567.54 and 40,804.50

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Solution

The fourth proportional to 63,412.62, 87,567.54 and 40,804.50 is: 56,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,412.62 : 87,567.54 = 40,804.50 : x
  2. Step 2: Convert to fraction form
    63,412.62/87,567.54 = 40,804.50/x
  3. Step 3: Cross multiply
    63,412.62x = 87,567.54 × 40,804.50
  4. Step 4: Simplify right side
    63,412.62x = 3,573,149,685.93
  5. Step 5: Solve for x
    x = 3,573,149,685.93/63,412.62
  6. Step 6: Final answer
    x = 56,347.61

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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.