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Finding the Fourth Proportional to 49,888.70, 74,723.70 and 43,327.70

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Solution

The fourth proportional to 49,888.70, 74,723.70 and 43,327.70 is: 64,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,888.70 : 74,723.70 = 43,327.70 : x
  2. Step 2: Convert to fraction form
    49,888.70/74,723.70 = 43,327.70/x
  3. Step 3: Cross multiply
    49,888.70x = 74,723.70 × 43,327.70
  4. Step 4: Simplify right side
    49,888.70x = 3,237,606,056.49
  5. Step 5: Solve for x
    x = 3,237,606,056.49/49,888.70
  6. Step 6: Final answer
    x = 64,896.58

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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.