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Finding the Fourth Proportional to 60,613.36, 83,649.80 and 36,421.73

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Solution

The fourth proportional to 60,613.36, 83,649.80 and 36,421.73 is: 50,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,613.36 : 83,649.80 = 36,421.73 : x
  2. Step 2: Convert to fraction form
    60,613.36/83,649.80 = 36,421.73/x
  3. Step 3: Cross multiply
    60,613.36x = 83,649.80 × 36,421.73
  4. Step 4: Simplify right side
    60,613.36x = 3,046,670,430.15
  5. Step 5: Solve for x
    x = 3,046,670,430.15/60,613.36
  6. Step 6: Final answer
    x = 50,264.01

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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.