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Finding the Fourth Proportional to 43,954.58, 65,929.80 and 14,368.52

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Solution

The fourth proportional to 43,954.58, 65,929.80 and 14,368.52 is: 21,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954.58 : 65,929.80 = 14,368.52 : x
  2. Step 2: Convert to fraction form
    43,954.58/65,929.80 = 14,368.52/x
  3. Step 3: Cross multiply
    43,954.58x = 65,929.80 × 14,368.52
  4. Step 4: Simplify right side
    43,954.58x = 947,313,649.90
  5. Step 5: Solve for x
    x = 947,313,649.90/43,954.58
  6. Step 6: Final answer
    x = 21,552.10

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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.