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Finding the Fourth Proportional to 64,119.52, 88,495.71 and 43,413.63

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Solution

The fourth proportional to 64,119.52, 88,495.71 and 43,413.63 is: 59,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,119.52 : 88,495.71 = 43,413.63 : x
  2. Step 2: Convert to fraction form
    64,119.52/88,495.71 = 43,413.63/x
  3. Step 3: Cross multiply
    64,119.52x = 88,495.71 × 43,413.63
  4. Step 4: Simplify right side
    64,119.52x = 3,841,919,626.49
  5. Step 5: Solve for x
    x = 3,841,919,626.49/64,119.52
  6. Step 6: Final answer
    x = 59,918.09

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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.