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Finding the Fourth Proportional to 51,998.48, 77,997.66 and 16,938.08

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Solution

The fourth proportional to 51,998.48, 77,997.66 and 16,938.08 is: 25,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,998.48 : 77,997.66 = 16,938.08 : x
  2. Step 2: Convert to fraction form
    51,998.48/77,997.66 = 16,938.08/x
  3. Step 3: Cross multiply
    51,998.48x = 77,997.66 × 16,938.08
  4. Step 4: Simplify right side
    51,998.48x = 1,321,130,604.89
  5. Step 5: Solve for x
    x = 1,321,130,604.89/51,998.48
  6. Step 6: Final answer
    x = 25,407.10

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1.5x scale

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.