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Finding the Fourth Proportional to 53,671.33, 80,382.43 and 51,803.04

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Solution

The fourth proportional to 53,671.33, 80,382.43 and 51,803.04 is: 77,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,671.33 : 80,382.43 = 51,803.04 : x
  2. Step 2: Convert to fraction form
    53,671.33/80,382.43 = 51,803.04/x
  3. Step 3: Cross multiply
    53,671.33x = 80,382.43 × 51,803.04
  4. Step 4: Simplify right side
    53,671.33x = 4,164,054,311.38
  5. Step 5: Solve for x
    x = 4,164,054,311.38/53,671.33
  6. Step 6: Final answer
    x = 77,584.33

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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.