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Finding the Fourth Proportional to 64,533.78, 89,066.97 and 37,676.19

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Solution

The fourth proportional to 64,533.78, 89,066.97 and 37,676.19 is: 51,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,533.78 : 89,066.97 = 37,676.19 : x
  2. Step 2: Convert to fraction form
    64,533.78/89,066.97 = 37,676.19/x
  3. Step 3: Cross multiply
    64,533.78x = 89,066.97 × 37,676.19
  4. Step 4: Simplify right side
    64,533.78x = 3,355,704,084.44
  5. Step 5: Solve for x
    x = 3,355,704,084.44/64,533.78
  6. Step 6: Final answer
    x = 51,999.19

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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.