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Finding the Fourth Proportional to 58,321.74, 80,486.55 and 32,829.75

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Solution

The fourth proportional to 58,321.74, 80,486.55 and 32,829.75 is: 45,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,321.74 : 80,486.55 = 32,829.75 : x
  2. Step 2: Convert to fraction form
    58,321.74/80,486.55 = 32,829.75/x
  3. Step 3: Cross multiply
    58,321.74x = 80,486.55 × 32,829.75
  4. Step 4: Simplify right side
    58,321.74x = 2,642,353,314.86
  5. Step 5: Solve for x
    x = 2,642,353,314.86/58,321.74
  6. Step 6: Final answer
    x = 45,306.49

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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.