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Finding the Fourth Proportional to 35,699.36, 49,266.36 and 21,549.44

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Solution

The fourth proportional to 35,699.36, 49,266.36 and 21,549.44 is: 29,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,699.36 : 49,266.36 = 21,549.44 : x
  2. Step 2: Convert to fraction form
    35,699.36/49,266.36 = 21,549.44/x
  3. Step 3: Cross multiply
    35,699.36x = 49,266.36 × 21,549.44
  4. Step 4: Simplify right side
    35,699.36x = 1,061,662,468.84
  5. Step 5: Solve for x
    x = 1,061,662,468.84/35,699.36
  6. Step 6: Final answer
    x = 29,738.98

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1.5x scale

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.