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Finding the Fourth Proportional to 37,585.80, 51,866.54 and 20,590.11

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Solution

The fourth proportional to 37,585.80, 51,866.54 and 20,590.11 is: 28,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,585.80 : 51,866.54 = 20,590.11 : x
  2. Step 2: Convert to fraction form
    37,585.80/51,866.54 = 20,590.11/x
  3. Step 3: Cross multiply
    37,585.80x = 51,866.54 × 20,590.11
  4. Step 4: Simplify right side
    37,585.80x = 1,067,937,763.92
  5. Step 5: Solve for x
    x = 1,067,937,763.92/37,585.80
  6. Step 6: Final answer
    x = 28,413.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.