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Finding the Fourth Proportional to 51,753.96, 71,409.06 and 32,918.76

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Solution

The fourth proportional to 51,753.96, 71,409.06 and 32,918.76 is: 45,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,753.96 : 71,409.06 = 32,918.76 : x
  2. Step 2: Convert to fraction form
    51,753.96/71,409.06 = 32,918.76/x
  3. Step 3: Cross multiply
    51,753.96x = 71,409.06 × 32,918.76
  4. Step 4: Simplify right side
    51,753.96x = 2,350,697,707.97
  5. Step 5: Solve for x
    x = 2,350,697,707.97/51,753.96
  6. Step 6: Final answer
    x = 45,420.63

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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.