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Finding the Fourth Proportional to 60,559.03, 90,779.64 and 28,960.93

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Solution

The fourth proportional to 60,559.03, 90,779.64 and 28,960.93 is: 43,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,559.03 : 90,779.64 = 28,960.93 : x
  2. Step 2: Convert to fraction form
    60,559.03/90,779.64 = 28,960.93/x
  3. Step 3: Cross multiply
    60,559.03x = 90,779.64 × 28,960.93
  4. Step 4: Simplify right side
    60,559.03x = 2,629,062,799.47
  5. Step 5: Solve for x
    x = 2,629,062,799.47/60,559.03
  6. Step 6: Final answer
    x = 43,413.23

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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.