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Finding the Fourth Proportional to 62,976.84, 86,904.84 and 34,681.92

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Solution

The fourth proportional to 62,976.84, 86,904.84 and 34,681.92 is: 47,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,976.84 : 86,904.84 = 34,681.92 : x
  2. Step 2: Convert to fraction form
    62,976.84/86,904.84 = 34,681.92/x
  3. Step 3: Cross multiply
    62,976.84x = 86,904.84 × 34,681.92
  4. Step 4: Simplify right side
    62,976.84x = 3,014,026,708.49
  5. Step 5: Solve for x
    x = 3,014,026,708.49/62,976.84
  6. Step 6: Final answer
    x = 47,859.29

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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.