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Finding the Fourth Proportional to 14,447.51, 21,672 and 4,060.07

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Solution

The fourth proportional to 14,447.51, 21,672 and 4,060.07 is: 6,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.51 : 21,672 = 4,060.07 : x
  2. Step 2: Convert to fraction form
    14,447.51/21,672 = 4,060.07/x
  3. Step 3: Cross multiply
    14,447.51x = 21,672 × 4,060.07
  4. Step 4: Simplify right side
    14,447.51x = 87,989,728.68
  5. Step 5: Solve for x
    x = 87,989,728.68/14,447.51
  6. Step 6: Final answer
    x = 6,090.31

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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.