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Finding the Fourth Proportional to 61,413.38, 91,486.26 and 59,554.88

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Solution

The fourth proportional to 61,413.38, 91,486.26 and 59,554.88 is: 88,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,413.38 : 91,486.26 = 59,554.88 : x
  2. Step 2: Convert to fraction form
    61,413.38/91,486.26 = 59,554.88/x
  3. Step 3: Cross multiply
    61,413.38x = 91,486.26 × 59,554.88
  4. Step 4: Simplify right side
    61,413.38x = 5,448,453,235.95
  5. Step 5: Solve for x
    x = 5,448,453,235.95/61,413.38
  6. Step 6: Final answer
    x = 88,717.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.