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Finding the Fourth Proportional to 35,747.61, 49,333.02 and 21,597.72

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Solution

The fourth proportional to 35,747.61, 49,333.02 and 21,597.72 is: 29,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.61 : 49,333.02 = 21,597.72 : x
  2. Step 2: Convert to fraction form
    35,747.61/49,333.02 = 21,597.72/x
  3. Step 3: Cross multiply
    35,747.61x = 49,333.02 × 21,597.72
  4. Step 4: Simplify right side
    35,747.61x = 1,065,480,752.71
  5. Step 5: Solve for x
    x = 1,065,480,752.71/35,747.61
  6. Step 6: Final answer
    x = 29,805.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.