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Finding the Fourth Proportional to 40,123.44, 60,194.88 and 12,043.44

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Solution

The fourth proportional to 40,123.44, 60,194.88 and 12,043.44 is: 18,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.44 : 60,194.88 = 12,043.44 : x
  2. Step 2: Convert to fraction form
    40,123.44/60,194.88 = 12,043.44/x
  3. Step 3: Cross multiply
    40,123.44x = 60,194.88 × 12,043.44
  4. Step 4: Simplify right side
    40,123.44x = 724,953,425.59
  5. Step 5: Solve for x
    x = 724,953,425.59/40,123.44
  6. Step 6: Final answer
    x = 18,068.08

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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.