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Finding the Fourth Proportional to 61,707.96, 85,156.38 and 33,413.16

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Solution

The fourth proportional to 61,707.96, 85,156.38 and 33,413.16 is: 46,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.96 : 85,156.38 = 33,413.16 : x
  2. Step 2: Convert to fraction form
    61,707.96/85,156.38 = 33,413.16/x
  3. Step 3: Cross multiply
    61,707.96x = 85,156.38 × 33,413.16
  4. Step 4: Simplify right side
    61,707.96x = 2,845,343,749.96
  5. Step 5: Solve for x
    x = 2,845,343,749.96/61,707.96
  6. Step 6: Final answer
    x = 46,109.83

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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.