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Finding the Fourth Proportional to 57,014.94, 85,486.18 and 50,009.02

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Solution

The fourth proportional to 57,014.94, 85,486.18 and 50,009.02 is: 74,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.94 : 85,486.18 = 50,009.02 : x
  2. Step 2: Convert to fraction form
    57,014.94/85,486.18 = 50,009.02/x
  3. Step 3: Cross multiply
    57,014.94x = 85,486.18 × 50,009.02
  4. Step 4: Simplify right side
    57,014.94x = 4,275,080,085.34
  5. Step 5: Solve for x
    x = 4,275,080,085.34/57,014.94
  6. Step 6: Final answer
    x = 74,981.75

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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.