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Finding the Fourth Proportional to 80,835.71, 111,554.46 and 46,846.71

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Solution

The fourth proportional to 80,835.71, 111,554.46 and 46,846.71 is: 64,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,835.71 : 111,554.46 = 46,846.71 : x
  2. Step 2: Convert to fraction form
    80,835.71/111,554.46 = 46,846.71/x
  3. Step 3: Cross multiply
    80,835.71x = 111,554.46 × 46,846.71
  4. Step 4: Simplify right side
    80,835.71x = 5,225,959,436.83
  5. Step 5: Solve for x
    x = 5,225,959,436.83/80,835.71
  6. Step 6: Final answer
    x = 64,649.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.