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Finding the Fourth Proportional to 29,684.48, 40,965.51 and 16,257.01

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Solution

The fourth proportional to 29,684.48, 40,965.51 and 16,257.01 is: 22,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,684.48 : 40,965.51 = 16,257.01 : x
  2. Step 2: Convert to fraction form
    29,684.48/40,965.51 = 16,257.01/x
  3. Step 3: Cross multiply
    29,684.48x = 40,965.51 × 16,257.01
  4. Step 4: Simplify right side
    29,684.48x = 665,976,603.31
  5. Step 5: Solve for x
    x = 665,976,603.31/29,684.48
  6. Step 6: Final answer
    x = 22,435.18

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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.