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Finding the Fourth Proportional to 14,025.73, 21,021.06 and 7,007.71

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Solution

The fourth proportional to 14,025.73, 21,021.06 and 7,007.71 is: 10,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.73 : 21,021.06 = 7,007.71 : x
  2. Step 2: Convert to fraction form
    14,025.73/21,021.06 = 7,007.71/x
  3. Step 3: Cross multiply
    14,025.73x = 21,021.06 × 7,007.71
  4. Step 4: Simplify right side
    14,025.73x = 147,309,501.13
  5. Step 5: Solve for x
    x = 147,309,501.13/14,025.73
  6. Step 6: Final answer
    x = 10,502.80

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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.