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Finding the Fourth Proportional to 65,009.94, 89,714.26 and 35,201.94

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Solution

The fourth proportional to 65,009.94, 89,714.26 and 35,201.94 is: 48,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,009.94 : 89,714.26 = 35,201.94 : x
  2. Step 2: Convert to fraction form
    65,009.94/89,714.26 = 35,201.94/x
  3. Step 3: Cross multiply
    65,009.94x = 89,714.26 × 35,201.94
  4. Step 4: Simplify right side
    65,009.94x = 3,158,115,821.65
  5. Step 5: Solve for x
    x = 3,158,115,821.65/65,009.94
  6. Step 6: Final answer
    x = 48,578.97

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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.