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Finding the Fourth Proportional to 45,158.88, 67,733.46 and 15,574.44

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Solution

The fourth proportional to 45,158.88, 67,733.46 and 15,574.44 is: 23,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,158.88 : 67,733.46 = 15,574.44 : x
  2. Step 2: Convert to fraction form
    45,158.88/67,733.46 = 15,574.44/x
  3. Step 3: Cross multiply
    45,158.88x = 67,733.46 × 15,574.44
  4. Step 4: Simplify right side
    45,158.88x = 1,054,910,708.76
  5. Step 5: Solve for x
    x = 1,054,910,708.76/45,158.88
  6. Step 6: Final answer
    x = 23,359.98

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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.