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Finding the Fourth Proportional to 63,985.61, 95,978.40 and 34,362.70

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Solution

The fourth proportional to 63,985.61, 95,978.40 and 34,362.70 is: 51,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,985.61 : 95,978.40 = 34,362.70 : x
  2. Step 2: Convert to fraction form
    63,985.61/95,978.40 = 34,362.70/x
  3. Step 3: Cross multiply
    63,985.61x = 95,978.40 × 34,362.70
  4. Step 4: Simplify right side
    63,985.61x = 3,298,076,485.79
  5. Step 5: Solve for x
    x = 3,298,076,485.79/63,985.61
  6. Step 6: Final answer
    x = 51,544.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.