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Finding the Fourth Proportional to 73,644.90, 101,630.63 and 41,814.47

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Solution

The fourth proportional to 73,644.90, 101,630.63 and 41,814.47 is: 57,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,644.90 : 101,630.63 = 41,814.47 : x
  2. Step 2: Convert to fraction form
    73,644.90/101,630.63 = 41,814.47/x
  3. Step 3: Cross multiply
    73,644.90x = 101,630.63 × 41,814.47
  4. Step 4: Simplify right side
    73,644.90x = 4,249,631,287.83
  5. Step 5: Solve for x
    x = 4,249,631,287.83/73,644.90
  6. Step 6: Final answer
    x = 57,704.36

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1.5x scale

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.