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Finding the Fourth Proportional to 35,482.47, 53,239.44 and 18,838.49

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Solution

The fourth proportional to 35,482.47, 53,239.44 and 18,838.49 is: 28,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,482.47 : 53,239.44 = 18,838.49 : x
  2. Step 2: Convert to fraction form
    35,482.47/53,239.44 = 18,838.49/x
  3. Step 3: Cross multiply
    35,482.47x = 53,239.44 × 18,838.49
  4. Step 4: Simplify right side
    35,482.47x = 1,002,950,391.85
  5. Step 5: Solve for x
    x = 1,002,950,391.85/35,482.47
  6. Step 6: Final answer
    x = 28,266.08

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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.