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Finding the Fourth Proportional to 32,486.59, 44,818.14 and 21,879.64

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Solution

The fourth proportional to 32,486.59, 44,818.14 and 21,879.64 is: 30,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.59 : 44,818.14 = 21,879.64 : x
  2. Step 2: Convert to fraction form
    32,486.59/44,818.14 = 21,879.64/x
  3. Step 3: Cross multiply
    32,486.59x = 44,818.14 × 21,879.64
  4. Step 4: Simplify right side
    32,486.59x = 980,604,768.67
  5. Step 5: Solve for x
    x = 980,604,768.67/32,486.59
  6. Step 6: Final answer
    x = 30,184.91

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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.