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Finding the Fourth Proportional to 14,618.77, 21,914.07 and 4,751.35

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Solution

The fourth proportional to 14,618.77, 21,914.07 and 4,751.35 is: 7,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.77 : 21,914.07 = 4,751.35 : x
  2. Step 2: Convert to fraction form
    14,618.77/21,914.07 = 4,751.35/x
  3. Step 3: Cross multiply
    14,618.77x = 21,914.07 × 4,751.35
  4. Step 4: Simplify right side
    14,618.77x = 104,121,416.49
  5. Step 5: Solve for x
    x = 104,121,416.49/14,618.77
  6. Step 6: Final answer
    x = 7,122.45

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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.