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Finding the Fourth Proportional to 62,275.80, 93,413.70 and 20,722.80

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Solution

The fourth proportional to 62,275.80, 93,413.70 and 20,722.80 is: 31,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,275.80 : 93,413.70 = 20,722.80 : x
  2. Step 2: Convert to fraction form
    62,275.80/93,413.70 = 20,722.80/x
  3. Step 3: Cross multiply
    62,275.80x = 93,413.70 × 20,722.80
  4. Step 4: Simplify right side
    62,275.80x = 1,935,793,422.36
  5. Step 5: Solve for x
    x = 1,935,793,422.36/62,275.80
  6. Step 6: Final answer
    x = 31,084.20

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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.