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Finding the Fourth Proportional to 41,237.80, 61,856.70 and 19,043.80

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Solution

The fourth proportional to 41,237.80, 61,856.70 and 19,043.80 is: 28,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,237.80 : 61,856.70 = 19,043.80 : x
  2. Step 2: Convert to fraction form
    41,237.80/61,856.70 = 19,043.80/x
  3. Step 3: Cross multiply
    41,237.80x = 61,856.70 × 19,043.80
  4. Step 4: Simplify right side
    41,237.80x = 1,177,986,623.46
  5. Step 5: Solve for x
    x = 1,177,986,623.46/41,237.80
  6. Step 6: Final answer
    x = 28,565.70

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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.