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Finding the Fourth Proportional to 64,893.04, 89,549.75 and 36,213.94

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Solution

The fourth proportional to 64,893.04, 89,549.75 and 36,213.94 is: 49,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.04 : 89,549.75 = 36,213.94 : x
  2. Step 2: Convert to fraction form
    64,893.04/89,549.75 = 36,213.94/x
  3. Step 3: Cross multiply
    64,893.04x = 89,549.75 × 36,213.94
  4. Step 4: Simplify right side
    64,893.04x = 3,242,949,273.52
  5. Step 5: Solve for x
    x = 3,242,949,273.52/64,893.04
  6. Step 6: Final answer
    x = 49,973.76

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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.