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Finding the Fourth Proportional to 44,155, 66,216.30 and 14,564.08

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Solution

The fourth proportional to 44,155, 66,216.30 and 14,564.08 is: 21,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,155 : 66,216.30 = 14,564.08 : x
  2. Step 2: Convert to fraction form
    44,155/66,216.30 = 14,564.08/x
  3. Step 3: Cross multiply
    44,155x = 66,216.30 × 14,564.08
  4. Step 4: Simplify right side
    44,155x = 964,379,490.50
  5. Step 5: Solve for x
    x = 964,379,490.50/44,155
  6. Step 6: Final answer
    x = 21,840.78

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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.