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Finding the Fourth Proportional to 29,578.63, 44,368.05 and 7,392.03

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Solution

The fourth proportional to 29,578.63, 44,368.05 and 7,392.03 is: 11,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.63 : 44,368.05 = 7,392.03 : x
  2. Step 2: Convert to fraction form
    29,578.63/44,368.05 = 7,392.03/x
  3. Step 3: Cross multiply
    29,578.63x = 44,368.05 × 7,392.03
  4. Step 4: Simplify right side
    29,578.63x = 327,969,817.98
  5. Step 5: Solve for x
    x = 327,969,817.98/29,578.63
  6. Step 6: Final answer
    x = 11,088.07

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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.