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Finding the Fourth Proportional to 10,828.51, 14,950.23 and 8,843.80

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Solution

The fourth proportional to 10,828.51, 14,950.23 and 8,843.80 is: 12,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.51 : 14,950.23 = 8,843.80 : x
  2. Step 2: Convert to fraction form
    10,828.51/14,950.23 = 8,843.80/x
  3. Step 3: Cross multiply
    10,828.51x = 14,950.23 × 8,843.80
  4. Step 4: Simplify right side
    10,828.51x = 132,216,844.07
  5. Step 5: Solve for x
    x = 132,216,844.07/10,828.51
  6. Step 6: Final answer
    x = 12,210.07

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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.