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Finding the Fourth Proportional to 18,545.00, 27,828.44 and 6,866.42

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Solution

The fourth proportional to 18,545.00, 27,828.44 and 6,866.42 is: 10,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.00 : 27,828.44 = 6,866.42 : x
  2. Step 2: Convert to fraction form
    18,545.00/27,828.44 = 6,866.42/x
  3. Step 3: Cross multiply
    18,545.00x = 27,828.44 × 6,866.42
  4. Step 4: Simplify right side
    18,545.00x = 191,081,746.48
  5. Step 5: Solve for x
    x = 191,081,746.48/18,545.00
  6. Step 6: Final answer
    x = 10,303.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.