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Finding the Fourth Proportional to 84,510, 116,623.80 and 46,786.68

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Solution

The fourth proportional to 84,510, 116,623.80 and 46,786.68 is: 64,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,510 : 116,623.80 = 46,786.68 : x
  2. Step 2: Convert to fraction form
    84,510/116,623.80 = 46,786.68/x
  3. Step 3: Cross multiply
    84,510x = 116,623.80 × 46,786.68
  4. Step 4: Simplify right side
    84,510x = 5,456,440,410.98
  5. Step 5: Solve for x
    x = 5,456,440,410.98/84,510
  6. Step 6: Final answer
    x = 64,565.62

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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.