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Finding the Fourth Proportional to 62,889.56, 93,975.05 and 47,813.84

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Solution

The fourth proportional to 62,889.56, 93,975.05 and 47,813.84 is: 71,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889.56 : 93,975.05 = 47,813.84 : x
  2. Step 2: Convert to fraction form
    62,889.56/93,975.05 = 47,813.84/x
  3. Step 3: Cross multiply
    62,889.56x = 93,975.05 × 47,813.84
  4. Step 4: Simplify right side
    62,889.56x = 4,493,308,333.65
  5. Step 5: Solve for x
    x = 4,493,308,333.65/62,889.56
  6. Step 6: Final answer
    x = 71,447.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.