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Finding the Fourth Proportional to 62,405.40, 93,413.70 and 36,031.80

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Solution

The fourth proportional to 62,405.40, 93,413.70 and 36,031.80 is: 53,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,405.40 : 93,413.70 = 36,031.80 : x
  2. Step 2: Convert to fraction form
    62,405.40/93,413.70 = 36,031.80/x
  3. Step 3: Cross multiply
    62,405.40x = 93,413.70 × 36,031.80
  4. Step 4: Simplify right side
    62,405.40x = 3,365,863,755.66
  5. Step 5: Solve for x
    x = 3,365,863,755.66/62,405.40
  6. Step 6: Final answer
    x = 53,935.46

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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.