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Finding the Fourth Proportional to 14,044, 21,072.15 and 6,653.74

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Solution

The fourth proportional to 14,044, 21,072.15 and 6,653.74 is: 9,983.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044 : 21,072.15 = 6,653.74 : x
  2. Step 2: Convert to fraction form
    14,044/21,072.15 = 6,653.74/x
  3. Step 3: Cross multiply
    14,044x = 21,072.15 × 6,653.74
  4. Step 4: Simplify right side
    14,044x = 140,208,607.34
  5. Step 5: Solve for x
    x = 140,208,607.34/14,044
  6. Step 6: Final answer
    x = 9,983.52

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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.