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Finding the Fourth Proportional to 32,590.98, 44,969.85 and 20,019.78

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Solution

The fourth proportional to 32,590.98, 44,969.85 and 20,019.78 is: 27,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,590.98 : 44,969.85 = 20,019.78 : x
  2. Step 2: Convert to fraction form
    32,590.98/44,969.85 = 20,019.78/x
  3. Step 3: Cross multiply
    32,590.98x = 44,969.85 × 20,019.78
  4. Step 4: Simplify right side
    32,590.98x = 900,286,503.63
  5. Step 5: Solve for x
    x = 900,286,503.63/32,590.98
  6. Step 6: Final answer
    x = 27,623.79

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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.