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Finding the Fourth Proportional to 61,707.51, 85,156.43 and 33,413.13

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Solution

The fourth proportional to 61,707.51, 85,156.43 and 33,413.13 is: 46,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.51 : 85,156.43 = 33,413.13 : x
  2. Step 2: Convert to fraction form
    61,707.51/85,156.43 = 33,413.13/x
  3. Step 3: Cross multiply
    61,707.51x = 85,156.43 × 33,413.13
  4. Step 4: Simplify right side
    61,707.51x = 2,845,342,865.93
  5. Step 5: Solve for x
    x = 2,845,342,865.93/61,707.51
  6. Step 6: Final answer
    x = 46,110.16

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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.