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Finding the Fourth Proportional to 14,260.66, 19,679.69 and 7,973.03

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Solution

The fourth proportional to 14,260.66, 19,679.69 and 7,973.03 is: 11,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.66 : 19,679.69 = 7,973.03 : x
  2. Step 2: Convert to fraction form
    14,260.66/19,679.69 = 7,973.03/x
  3. Step 3: Cross multiply
    14,260.66x = 19,679.69 × 7,973.03
  4. Step 4: Simplify right side
    14,260.66x = 156,906,827.89
  5. Step 5: Solve for x
    x = 156,906,827.89/14,260.66
  6. Step 6: Final answer
    x = 11,002.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.