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Finding the Fourth Proportional to 65,216.43, 89,999.01 and 36,927.63

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Solution

The fourth proportional to 65,216.43, 89,999.01 and 36,927.63 is: 50,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,216.43 : 89,999.01 = 36,927.63 : x
  2. Step 2: Convert to fraction form
    65,216.43/89,999.01 = 36,927.63/x
  3. Step 3: Cross multiply
    65,216.43x = 89,999.01 × 36,927.63
  4. Step 4: Simplify right side
    65,216.43x = 3,323,450,141.65
  5. Step 5: Solve for x
    x = 3,323,450,141.65/65,216.43
  6. Step 6: Final answer
    x = 50,960.32

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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.