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Finding the Fourth Proportional to 57,010.75, 78,697.03 and 51,032.08

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Solution

The fourth proportional to 57,010.75, 78,697.03 and 51,032.08 is: 70,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.75 : 78,697.03 = 51,032.08 : x
  2. Step 2: Convert to fraction form
    57,010.75/78,697.03 = 51,032.08/x
  3. Step 3: Cross multiply
    57,010.75x = 78,697.03 × 51,032.08
  4. Step 4: Simplify right side
    57,010.75x = 4,016,073,130.72
  5. Step 5: Solve for x
    x = 4,016,073,130.72/57,010.75
  6. Step 6: Final answer
    x = 70,444.14

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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.