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Finding the Fourth Proportional to 43,967.36, 65,921.88 and 14,374.82

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Solution

The fourth proportional to 43,967.36, 65,921.88 and 14,374.82 is: 21,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,967.36 : 65,921.88 = 14,374.82 : x
  2. Step 2: Convert to fraction form
    43,967.36/65,921.88 = 14,374.82/x
  3. Step 3: Cross multiply
    43,967.36x = 65,921.88 × 14,374.82
  4. Step 4: Simplify right side
    43,967.36x = 947,615,159.06
  5. Step 5: Solve for x
    x = 947,615,159.06/43,967.36
  6. Step 6: Final answer
    x = 21,552.70

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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.