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Finding the Fourth Proportional to 62,533.72, 93,801.66 and 15,787

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Solution

The fourth proportional to 62,533.72, 93,801.66 and 15,787 is: 23,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,533.72 : 93,801.66 = 15,787 : x
  2. Step 2: Convert to fraction form
    62,533.72/93,801.66 = 15,787/x
  3. Step 3: Cross multiply
    62,533.72x = 93,801.66 × 15,787
  4. Step 4: Simplify right side
    62,533.72x = 1,480,846,806.42
  5. Step 5: Solve for x
    x = 1,480,846,806.42/62,533.72
  6. Step 6: Final answer
    x = 23,680.77

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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.