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Finding the Fourth Proportional to 35,578.63, 53,366.02 and 18,048

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Solution

The fourth proportional to 35,578.63, 53,366.02 and 18,048 is: 27,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,578.63 : 53,366.02 = 18,048 : x
  2. Step 2: Convert to fraction form
    35,578.63/53,366.02 = 18,048/x
  3. Step 3: Cross multiply
    35,578.63x = 53,366.02 × 18,048
  4. Step 4: Simplify right side
    35,578.63x = 963,149,928.96
  5. Step 5: Solve for x
    x = 963,149,928.96/35,578.63
  6. Step 6: Final answer
    x = 27,071.02

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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.