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Finding the Fourth Proportional to 65,999.37, 98,997.42 and 19,252.65

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Solution

The fourth proportional to 65,999.37, 98,997.42 and 19,252.65 is: 28,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.37 : 98,997.42 = 19,252.65 : x
  2. Step 2: Convert to fraction form
    65,999.37/98,997.42 = 19,252.65/x
  3. Step 3: Cross multiply
    65,999.37x = 98,997.42 × 19,252.65
  4. Step 4: Simplify right side
    65,999.37x = 1,905,962,678.16
  5. Step 5: Solve for x
    x = 1,905,962,678.16/65,999.37
  6. Step 6: Final answer
    x = 28,878.50

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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.