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Finding the Fourth Proportional to 35,641.80, 53,461.08 and 16,908.12

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Solution

The fourth proportional to 35,641.80, 53,461.08 and 16,908.12 is: 25,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.80 : 53,461.08 = 16,908.12 : x
  2. Step 2: Convert to fraction form
    35,641.80/53,461.08 = 16,908.12/x
  3. Step 3: Cross multiply
    35,641.80x = 53,461.08 × 16,908.12
  4. Step 4: Simplify right side
    35,641.80x = 903,926,355.97
  5. Step 5: Solve for x
    x = 903,926,355.97/35,641.80
  6. Step 6: Final answer
    x = 25,361.41

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1.5x scale

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.