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Finding the Fourth Proportional to 63,184.99, 94,778.50 and 21,064.50

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Solution

The fourth proportional to 63,184.99, 94,778.50 and 21,064.50 is: 31,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,184.99 : 94,778.50 = 21,064.50 : x
  2. Step 2: Convert to fraction form
    63,184.99/94,778.50 = 21,064.50/x
  3. Step 3: Cross multiply
    63,184.99x = 94,778.50 × 21,064.50
  4. Step 4: Simplify right side
    63,184.99x = 1,996,461,713.25
  5. Step 5: Solve for x
    x = 1,996,461,713.25/63,184.99
  6. Step 6: Final answer
    x = 31,597.09

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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.