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Finding the Fourth Proportional to 35,224.95, 48,609.12 and 21,076.95

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Solution

The fourth proportional to 35,224.95, 48,609.12 and 21,076.95 is: 29,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,224.95 : 48,609.12 = 21,076.95 : x
  2. Step 2: Convert to fraction form
    35,224.95/48,609.12 = 21,076.95/x
  3. Step 3: Cross multiply
    35,224.95x = 48,609.12 × 21,076.95
  4. Step 4: Simplify right side
    35,224.95x = 1,024,531,991.78
  5. Step 5: Solve for x
    x = 1,024,531,991.78/35,224.95
  6. Step 6: Final answer
    x = 29,085.41

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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.