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Finding the Fourth Proportional to 43,477.85, 65,172.65 and 24,719.11

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Solution

The fourth proportional to 43,477.85, 65,172.65 and 24,719.11 is: 37,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,477.85 : 65,172.65 = 24,719.11 : x
  2. Step 2: Convert to fraction form
    43,477.85/65,172.65 = 24,719.11/x
  3. Step 3: Cross multiply
    43,477.85x = 65,172.65 × 24,719.11
  4. Step 4: Simplify right side
    43,477.85x = 1,611,009,780.75
  5. Step 5: Solve for x
    x = 1,611,009,780.75/43,477.85
  6. Step 6: Final answer
    x = 37,053.58

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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.