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Finding the Fourth Proportional to 29,670.63, 44,475.18 and 18,551.79

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Solution

The fourth proportional to 29,670.63, 44,475.18 and 18,551.79 is: 27,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,670.63 : 44,475.18 = 18,551.79 : x
  2. Step 2: Convert to fraction form
    29,670.63/44,475.18 = 18,551.79/x
  3. Step 3: Cross multiply
    29,670.63x = 44,475.18 × 18,551.79
  4. Step 4: Simplify right side
    29,670.63x = 825,094,199.57
  5. Step 5: Solve for x
    x = 825,094,199.57/29,670.63
  6. Step 6: Final answer
    x = 27,808.45

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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.