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Finding the Fourth Proportional to 37,115.60, 55,673.04 and 9,413.60

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Solution

The fourth proportional to 37,115.60, 55,673.04 and 9,413.60 is: 14,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.60 : 55,673.04 = 9,413.60 : x
  2. Step 2: Convert to fraction form
    37,115.60/55,673.04 = 9,413.60/x
  3. Step 3: Cross multiply
    37,115.60x = 55,673.04 × 9,413.60
  4. Step 4: Simplify right side
    37,115.60x = 524,083,729.34
  5. Step 5: Solve for x
    x = 524,083,729.34/37,115.60
  6. Step 6: Final answer
    x = 14,120.31

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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.