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Finding the Fourth Proportional to 12,025.66, 18,041.06 and 7,098.97

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Solution

The fourth proportional to 12,025.66, 18,041.06 and 7,098.97 is: 10,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.66 : 18,041.06 = 7,098.97 : x
  2. Step 2: Convert to fraction form
    12,025.66/18,041.06 = 7,098.97/x
  3. Step 3: Cross multiply
    12,025.66x = 18,041.06 × 7,098.97
  4. Step 4: Simplify right side
    12,025.66x = 128,072,943.71
  5. Step 5: Solve for x
    x = 128,072,943.71/12,025.66
  6. Step 6: Final answer
    x = 10,649.97

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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.