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Finding the Fourth Proportional to 62,573.65, 93,870.72 and 20,441.50

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Solution

The fourth proportional to 62,573.65, 93,870.72 and 20,441.50 is: 30,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,573.65 : 93,870.72 = 20,441.50 : x
  2. Step 2: Convert to fraction form
    62,573.65/93,870.72 = 20,441.50/x
  3. Step 3: Cross multiply
    62,573.65x = 93,870.72 × 20,441.50
  4. Step 4: Simplify right side
    62,573.65x = 1,918,858,088.20
  5. Step 5: Solve for x
    x = 1,918,858,088.20/62,573.65
  6. Step 6: Final answer
    x = 30,665.59

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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.