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Finding the Fourth Proportional to 62,663.97, 86,477.63 and 34,369.59

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Solution

The fourth proportional to 62,663.97, 86,477.63 and 34,369.59 is: 47,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,663.97 : 86,477.63 = 34,369.59 : x
  2. Step 2: Convert to fraction form
    62,663.97/86,477.63 = 34,369.59/x
  3. Step 3: Cross multiply
    62,663.97x = 86,477.63 × 34,369.59
  4. Step 4: Simplify right side
    62,663.97x = 2,972,200,515.42
  5. Step 5: Solve for x
    x = 2,972,200,515.42/62,663.97
  6. Step 6: Final answer
    x = 47,430.77

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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.