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Finding the Fourth Proportional to 62,663.79, 86,476.16 and 34,369.71

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Solution

The fourth proportional to 62,663.79, 86,476.16 and 34,369.71 is: 47,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,663.79 : 86,476.16 = 34,369.71 : x
  2. Step 2: Convert to fraction form
    62,663.79/86,476.16 = 34,369.71/x
  3. Step 3: Cross multiply
    62,663.79x = 86,476.16 × 34,369.71
  4. Step 4: Simplify right side
    62,663.79x = 2,972,160,369.27
  5. Step 5: Solve for x
    x = 2,972,160,369.27/62,663.79
  6. Step 6: Final answer
    x = 47,430.27

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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.