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Finding the Fourth Proportional to 60,955.56, 91,413.78 and 19,392.84

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Solution

The fourth proportional to 60,955.56, 91,413.78 and 19,392.84 is: 29,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,955.56 : 91,413.78 = 19,392.84 : x
  2. Step 2: Convert to fraction form
    60,955.56/91,413.78 = 19,392.84/x
  3. Step 3: Cross multiply
    60,955.56x = 91,413.78 × 19,392.84
  4. Step 4: Simplify right side
    60,955.56x = 1,772,772,809.34
  5. Step 5: Solve for x
    x = 1,772,772,809.34/60,955.56
  6. Step 6: Final answer
    x = 29,083.04

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1.5x scale

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.