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Finding the Fourth Proportional to 53,790.90, 80,657.55 and 22,590.90

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Solution

The fourth proportional to 53,790.90, 80,657.55 and 22,590.90 is: 33,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.90 : 80,657.55 = 22,590.90 : x
  2. Step 2: Convert to fraction form
    53,790.90/80,657.55 = 22,590.90/x
  3. Step 3: Cross multiply
    53,790.90x = 80,657.55 × 22,590.90
  4. Step 4: Simplify right side
    53,790.90x = 1,822,126,646.30
  5. Step 5: Solve for x
    x = 1,822,126,646.30/53,790.90
  6. Step 6: Final answer
    x = 33,874.25

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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.