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Finding the Fourth Proportional to 65,751.32, 90,714.66 and 37,436.96

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Solution

The fourth proportional to 65,751.32, 90,714.66 and 37,436.96 is: 51,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,751.32 : 90,714.66 = 37,436.96 : x
  2. Step 2: Convert to fraction form
    65,751.32/90,714.66 = 37,436.96/x
  3. Step 3: Cross multiply
    65,751.32x = 90,714.66 × 37,436.96
  4. Step 4: Simplify right side
    65,751.32x = 3,396,081,097.83
  5. Step 5: Solve for x
    x = 3,396,081,097.83/65,751.32
  6. Step 6: Final answer
    x = 51,650.39

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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.