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Finding the Fourth Proportional to 70,055.62, 96,676.74 and 38,224.64

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Solution

The fourth proportional to 70,055.62, 96,676.74 and 38,224.64 is: 52,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055.62 : 96,676.74 = 38,224.64 : x
  2. Step 2: Convert to fraction form
    70,055.62/96,676.74 = 38,224.64/x
  3. Step 3: Cross multiply
    70,055.62x = 96,676.74 × 38,224.64
  4. Step 4: Simplify right side
    70,055.62x = 3,695,433,582.87
  5. Step 5: Solve for x
    x = 3,695,433,582.87/70,055.62
  6. Step 6: Final answer
    x = 52,749.99

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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.