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Finding the Fourth Proportional to 29,646.73, 40,913.51 and 16,901.80

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Solution

The fourth proportional to 29,646.73, 40,913.51 and 16,901.80 is: 23,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,646.73 : 40,913.51 = 16,901.80 : x
  2. Step 2: Convert to fraction form
    29,646.73/40,913.51 = 16,901.80/x
  3. Step 3: Cross multiply
    29,646.73x = 40,913.51 × 16,901.80
  4. Step 4: Simplify right side
    29,646.73x = 691,511,963.32
  5. Step 5: Solve for x
    x = 691,511,963.32/29,646.73
  6. Step 6: Final answer
    x = 23,325.07

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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.