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Finding the Fourth Proportional to 41,875.72, 62,813.58 and 19,672.80

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Solution

The fourth proportional to 41,875.72, 62,813.58 and 19,672.80 is: 29,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,875.72 : 62,813.58 = 19,672.80 : x
  2. Step 2: Convert to fraction form
    41,875.72/62,813.58 = 19,672.80/x
  3. Step 3: Cross multiply
    41,875.72x = 62,813.58 × 19,672.80
  4. Step 4: Simplify right side
    41,875.72x = 1,235,718,996.62
  5. Step 5: Solve for x
    x = 1,235,718,996.62/41,875.72
  6. Step 6: Final answer
    x = 29,509.20

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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.