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Finding the Fourth Proportional to 69,501.78, 104,242.95 and 27,351.81

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Solution

The fourth proportional to 69,501.78, 104,242.95 and 27,351.81 is: 41,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,501.78 : 104,242.95 = 27,351.81 : x
  2. Step 2: Convert to fraction form
    69,501.78/104,242.95 = 27,351.81/x
  3. Step 3: Cross multiply
    69,501.78x = 104,242.95 × 27,351.81
  4. Step 4: Simplify right side
    69,501.78x = 2,851,233,362.24
  5. Step 5: Solve for x
    x = 2,851,233,362.24/69,501.78
  6. Step 6: Final answer
    x = 41,023.89

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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.