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Finding the Fourth Proportional to 14,018.71, 21,028.07 and 9,622.84

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Solution

The fourth proportional to 14,018.71, 21,028.07 and 9,622.84 is: 14,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.71 : 21,028.07 = 9,622.84 : x
  2. Step 2: Convert to fraction form
    14,018.71/21,028.07 = 9,622.84/x
  3. Step 3: Cross multiply
    14,018.71x = 21,028.07 × 9,622.84
  4. Step 4: Simplify right side
    14,018.71x = 202,349,753.12
  5. Step 5: Solve for x
    x = 202,349,753.12/14,018.71
  6. Step 6: Final answer
    x = 14,434.26

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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.