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Finding the Fourth Proportional to 70,613.67, 97,463.67 and 40,416.42

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Solution

The fourth proportional to 70,613.67, 97,463.67 and 40,416.42 is: 55,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,613.67 : 97,463.67 = 40,416.42 : x
  2. Step 2: Convert to fraction form
    70,613.67/97,463.67 = 40,416.42/x
  3. Step 3: Cross multiply
    70,613.67x = 97,463.67 × 40,416.42
  4. Step 4: Simplify right side
    70,613.67x = 3,939,132,514.50
  5. Step 5: Solve for x
    x = 3,939,132,514.50/70,613.67
  6. Step 6: Final answer
    x = 55,784.27

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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.