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Finding the Fourth Proportional to 70,344.85, 97,076.46 and 38,514.01

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Solution

The fourth proportional to 70,344.85, 97,076.46 and 38,514.01 is: 53,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.85 : 97,076.46 = 38,514.01 : x
  2. Step 2: Convert to fraction form
    70,344.85/97,076.46 = 38,514.01/x
  3. Step 3: Cross multiply
    70,344.85x = 97,076.46 × 38,514.01
  4. Step 4: Simplify right side
    70,344.85x = 3,738,803,751.20
  5. Step 5: Solve for x
    x = 3,738,803,751.20/70,344.85
  6. Step 6: Final answer
    x = 53,149.64

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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.