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Finding the Fourth Proportional to 32,190.60, 44,415.78 and 19,445.88

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Solution

The fourth proportional to 32,190.60, 44,415.78 and 19,445.88 is: 26,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,190.60 : 44,415.78 = 19,445.88 : x
  2. Step 2: Convert to fraction form
    32,190.60/44,415.78 = 19,445.88/x
  3. Step 3: Cross multiply
    32,190.60x = 44,415.78 × 19,445.88
  4. Step 4: Simplify right side
    32,190.60x = 863,703,927.99
  5. Step 5: Solve for x
    x = 863,703,927.99/32,190.60
  6. Step 6: Final answer
    x = 26,830.94

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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.