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Finding the Fourth Proportional to 73,640.88, 101,625.60 and 41,810.64

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Solution

The fourth proportional to 73,640.88, 101,625.60 and 41,810.64 is: 57,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.88 : 101,625.60 = 41,810.64 : x
  2. Step 2: Convert to fraction form
    73,640.88/101,625.60 = 41,810.64/x
  3. Step 3: Cross multiply
    73,640.88x = 101,625.60 × 41,810.64
  4. Step 4: Simplify right side
    73,640.88x = 4,249,031,376.38
  5. Step 5: Solve for x
    x = 4,249,031,376.38/73,640.88
  6. Step 6: Final answer
    x = 57,699.36

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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.