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Finding the Fourth Proportional to 49,707.50, 74,533.02 and 33,931.64

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Solution

The fourth proportional to 49,707.50, 74,533.02 and 33,931.64 is: 50,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,707.50 : 74,533.02 = 33,931.64 : x
  2. Step 2: Convert to fraction form
    49,707.50/74,533.02 = 33,931.64/x
  3. Step 3: Cross multiply
    49,707.50x = 74,533.02 × 33,931.64
  4. Step 4: Simplify right side
    49,707.50x = 2,529,027,230.09
  5. Step 5: Solve for x
    x = 2,529,027,230.09/49,707.50
  6. Step 6: Final answer
    x = 50,878.19

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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.