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Finding the Fourth Proportional to 62,807.80, 94,211.70 and 62,370.40

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Solution

The fourth proportional to 62,807.80, 94,211.70 and 62,370.40 is: 93,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,807.80 : 94,211.70 = 62,370.40 : x
  2. Step 2: Convert to fraction form
    62,807.80/94,211.70 = 62,370.40/x
  3. Step 3: Cross multiply
    62,807.80x = 94,211.70 × 62,370.40
  4. Step 4: Simplify right side
    62,807.80x = 5,876,021,413.68
  5. Step 5: Solve for x
    x = 5,876,021,413.68/62,807.80
  6. Step 6: Final answer
    x = 93,555.60

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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.