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Finding the Fourth Proportional to 14,325.84, 19,770 and 8,038.68

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Solution

The fourth proportional to 14,325.84, 19,770 and 8,038.68 is: 11,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.84 : 19,770 = 8,038.68 : x
  2. Step 2: Convert to fraction form
    14,325.84/19,770 = 8,038.68/x
  3. Step 3: Cross multiply
    14,325.84x = 19,770 × 8,038.68
  4. Step 4: Simplify right side
    14,325.84x = 158,924,703.60
  5. Step 5: Solve for x
    x = 158,924,703.60/14,325.84
  6. Step 6: Final answer
    x = 11,093.57

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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.