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Finding the Fourth Proportional to 14,464.78, 21,697.04 and 7,446.76

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Solution

The fourth proportional to 14,464.78, 21,697.04 and 7,446.76 is: 11,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.78 : 21,697.04 = 7,446.76 : x
  2. Step 2: Convert to fraction form
    14,464.78/21,697.04 = 7,446.76/x
  3. Step 3: Cross multiply
    14,464.78x = 21,697.04 × 7,446.76
  4. Step 4: Simplify right side
    14,464.78x = 161,572,649.59
  5. Step 5: Solve for x
    x = 161,572,649.59/14,464.78
  6. Step 6: Final answer
    x = 11,170.07

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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.