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Finding the Fourth Proportional to 70,924.35, 97,874.26 and 38,659.26

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Solution

The fourth proportional to 70,924.35, 97,874.26 and 38,659.26 is: 53,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.35 : 97,874.26 = 38,659.26 : x
  2. Step 2: Convert to fraction form
    70,924.35/97,874.26 = 38,659.26/x
  3. Step 3: Cross multiply
    70,924.35x = 97,874.26 × 38,659.26
  4. Step 4: Simplify right side
    70,924.35x = 3,783,746,464.65
  5. Step 5: Solve for x
    x = 3,783,746,464.65/70,924.35
  6. Step 6: Final answer
    x = 53,349.05

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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.