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Finding the Fourth Proportional to 66,004.49, 99,055.92 and 26,561.93

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Solution

The fourth proportional to 66,004.49, 99,055.92 and 26,561.93 is: 39,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.49 : 99,055.92 = 26,561.93 : x
  2. Step 2: Convert to fraction form
    66,004.49/99,055.92 = 26,561.93/x
  3. Step 3: Cross multiply
    66,004.49x = 99,055.92 × 26,561.93
  4. Step 4: Simplify right side
    66,004.49x = 2,631,116,413.13
  5. Step 5: Solve for x
    x = 2,631,116,413.13/66,004.49
  6. Step 6: Final answer
    x = 39,862.69

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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.