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Finding the Fourth Proportional to 14,690.68, 22,040.34 and 5,921.08

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Solution

The fourth proportional to 14,690.68, 22,040.34 and 5,921.08 is: 8,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.68 : 22,040.34 = 5,921.08 : x
  2. Step 2: Convert to fraction form
    14,690.68/22,040.34 = 5,921.08/x
  3. Step 3: Cross multiply
    14,690.68x = 22,040.34 × 5,921.08
  4. Step 4: Simplify right side
    14,690.68x = 130,502,616.37
  5. Step 5: Solve for x
    x = 130,502,616.37/14,690.68
  6. Step 6: Final answer
    x = 8,883.36

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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.