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Finding the Fourth Proportional to 55,850.40, 83,840.40 and 33,688.80

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Solution

The fourth proportional to 55,850.40, 83,840.40 and 33,688.80 is: 50,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,850.40 : 83,840.40 = 33,688.80 : x
  2. Step 2: Convert to fraction form
    55,850.40/83,840.40 = 33,688.80/x
  3. Step 3: Cross multiply
    55,850.40x = 83,840.40 × 33,688.80
  4. Step 4: Simplify right side
    55,850.40x = 2,824,482,467.52
  5. Step 5: Solve for x
    x = 2,824,482,467.52/55,850.40
  6. Step 6: Final answer
    x = 50,572.29

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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.