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Finding the Fourth Proportional to 58,413.60, 87,620.40 and 53,575.20

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Solution

The fourth proportional to 58,413.60, 87,620.40 and 53,575.20 is: 80,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,413.60 : 87,620.40 = 53,575.20 : x
  2. Step 2: Convert to fraction form
    58,413.60/87,620.40 = 53,575.20/x
  3. Step 3: Cross multiply
    58,413.60x = 87,620.40 × 53,575.20
  4. Step 4: Simplify right side
    58,413.60x = 4,694,280,454.08
  5. Step 5: Solve for x
    x = 4,694,280,454.08/58,413.60
  6. Step 6: Final answer
    x = 80,362.80

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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.