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Finding the Fourth Proportional to 58,615.68, 80,845.01 and 50,453.18

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Solution

The fourth proportional to 58,615.68, 80,845.01 and 50,453.18 is: 69,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,615.68 : 80,845.01 = 50,453.18 : x
  2. Step 2: Convert to fraction form
    58,615.68/80,845.01 = 50,453.18/x
  3. Step 3: Cross multiply
    58,615.68x = 80,845.01 × 50,453.18
  4. Step 4: Simplify right side
    58,615.68x = 4,078,887,185.14
  5. Step 5: Solve for x
    x = 4,078,887,185.14/58,615.68
  6. Step 6: Final answer
    x = 69,586.96

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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.