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Finding the Fourth Proportional to 36,655.99, 54,973.01 and 19,116.25

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Solution

The fourth proportional to 36,655.99, 54,973.01 and 19,116.25 is: 28,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,655.99 : 54,973.01 = 19,116.25 : x
  2. Step 2: Convert to fraction form
    36,655.99/54,973.01 = 19,116.25/x
  3. Step 3: Cross multiply
    36,655.99x = 54,973.01 × 19,116.25
  4. Step 4: Simplify right side
    36,655.99x = 1,050,877,712.77
  5. Step 5: Solve for x
    x = 1,050,877,712.77/36,655.99
  6. Step 6: Final answer
    x = 28,668.65

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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.