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Finding the Fourth Proportional to 58,404.74, 87,607.11 and 18,965.84

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Solution

The fourth proportional to 58,404.74, 87,607.11 and 18,965.84 is: 28,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,404.74 : 87,607.11 = 18,965.84 : x
  2. Step 2: Convert to fraction form
    58,404.74/87,607.11 = 18,965.84/x
  3. Step 3: Cross multiply
    58,404.74x = 87,607.11 × 18,965.84
  4. Step 4: Simplify right side
    58,404.74x = 1,661,542,431.12
  5. Step 5: Solve for x
    x = 1,661,542,431.12/58,404.74
  6. Step 6: Final answer
    x = 28,448.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.