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Finding the Fourth Proportional to 60,699.50, 91,007.73 and 27,401.40

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Solution

The fourth proportional to 60,699.50, 91,007.73 and 27,401.40 is: 41,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,699.50 : 91,007.73 = 27,401.40 : x
  2. Step 2: Convert to fraction form
    60,699.50/91,007.73 = 27,401.40/x
  3. Step 3: Cross multiply
    60,699.50x = 91,007.73 × 27,401.40
  4. Step 4: Simplify right side
    60,699.50x = 2,493,739,437.13
  5. Step 5: Solve for x
    x = 2,493,739,437.13/60,699.50
  6. Step 6: Final answer
    x = 41,083.36

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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.