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Finding the Fourth Proportional to 48,953.76, 73,428.75 and 15,672.89

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Solution

The fourth proportional to 48,953.76, 73,428.75 and 15,672.89 is: 23,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,953.76 : 73,428.75 = 15,672.89 : x
  2. Step 2: Convert to fraction form
    48,953.76/73,428.75 = 15,672.89/x
  3. Step 3: Cross multiply
    48,953.76x = 73,428.75 × 15,672.89
  4. Step 4: Simplify right side
    48,953.76x = 1,150,840,354.44
  5. Step 5: Solve for x
    x = 1,150,840,354.44/48,953.76
  6. Step 6: Final answer
    x = 23,508.72

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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.