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Finding the Fourth Proportional to 60,861.93, 91,297.47 and 16,488

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Solution

The fourth proportional to 60,861.93, 91,297.47 and 16,488 is: 24,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,861.93 : 91,297.47 = 16,488 : x
  2. Step 2: Convert to fraction form
    60,861.93/91,297.47 = 16,488/x
  3. Step 3: Cross multiply
    60,861.93x = 91,297.47 × 16,488
  4. Step 4: Simplify right side
    60,861.93x = 1,505,312,685.36
  5. Step 5: Solve for x
    x = 1,505,312,685.36/60,861.93
  6. Step 6: Final answer
    x = 24,733.24

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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.