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Finding the Fourth Proportional to 35,887.84, 49,525.50 and 21,730.84

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Solution

The fourth proportional to 35,887.84, 49,525.50 and 21,730.84 is: 29,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,887.84 : 49,525.50 = 21,730.84 : x
  2. Step 2: Convert to fraction form
    35,887.84/49,525.50 = 21,730.84/x
  3. Step 3: Cross multiply
    35,887.84x = 49,525.50 × 21,730.84
  4. Step 4: Simplify right side
    35,887.84x = 1,076,230,716.42
  5. Step 5: Solve for x
    x = 1,076,230,716.42/35,887.84
  6. Step 6: Final answer
    x = 29,988.73

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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.