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Finding the Fourth Proportional to 28,883.80, 43,340.10 and 16,413.40

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Solution

The fourth proportional to 28,883.80, 43,340.10 and 16,413.40 is: 24,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.80 : 43,340.10 = 16,413.40 : x
  2. Step 2: Convert to fraction form
    28,883.80/43,340.10 = 16,413.40/x
  3. Step 3: Cross multiply
    28,883.80x = 43,340.10 × 16,413.40
  4. Step 4: Simplify right side
    28,883.80x = 711,358,397.34
  5. Step 5: Solve for x
    x = 711,358,397.34/28,883.80
  6. Step 6: Final answer
    x = 24,628.28

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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.