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Finding the Fourth Proportional to 14,647.03, 21,970.54 and 5,881.94

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Solution

The fourth proportional to 14,647.03, 21,970.54 and 5,881.94 is: 8,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.03 : 21,970.54 = 5,881.94 : x
  2. Step 2: Convert to fraction form
    14,647.03/21,970.54 = 5,881.94/x
  3. Step 3: Cross multiply
    14,647.03x = 21,970.54 × 5,881.94
  4. Step 4: Simplify right side
    14,647.03x = 129,229,368.64
  5. Step 5: Solve for x
    x = 129,229,368.64/14,647.03
  6. Step 6: Final answer
    x = 8,822.91

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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.