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Finding the Fourth Proportional to 61,763.40, 92,573.58 and 28,413.48

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Solution

The fourth proportional to 61,763.40, 92,573.58 and 28,413.48 is: 42,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,763.40 : 92,573.58 = 28,413.48 : x
  2. Step 2: Convert to fraction form
    61,763.40/92,573.58 = 28,413.48/x
  3. Step 3: Cross multiply
    61,763.40x = 92,573.58 × 28,413.48
  4. Step 4: Simplify right side
    61,763.40x = 2,630,337,563.86
  5. Step 5: Solve for x
    x = 2,630,337,563.86/61,763.40
  6. Step 6: Final answer
    x = 42,587.32

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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.