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Finding the Fourth Proportional to 63,090.81, 87,063.80 and 34,795.89

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Solution

The fourth proportional to 63,090.81, 87,063.80 and 34,795.89 is: 48,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,090.81 : 87,063.80 = 34,795.89 : x
  2. Step 2: Convert to fraction form
    63,090.81/87,063.80 = 34,795.89/x
  3. Step 3: Cross multiply
    63,090.81x = 87,063.80 × 34,795.89
  4. Step 4: Simplify right side
    63,090.81x = 3,029,462,233.80
  5. Step 5: Solve for x
    x = 3,029,462,233.80/63,090.81
  6. Step 6: Final answer
    x = 48,017.49

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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.