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Finding the Fourth Proportional to 62,957.69, 86,881.63 and 34,663.38

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Solution

The fourth proportional to 62,957.69, 86,881.63 and 34,663.38 is: 47,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,957.69 : 86,881.63 = 34,663.38 : x
  2. Step 2: Convert to fraction form
    62,957.69/86,881.63 = 34,663.38/x
  3. Step 3: Cross multiply
    62,957.69x = 86,881.63 × 34,663.38
  4. Step 4: Simplify right side
    62,957.69x = 3,011,610,608.24
  5. Step 5: Solve for x
    x = 3,011,610,608.24/62,957.69
  6. Step 6: Final answer
    x = 47,835.47

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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.