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Finding the Fourth Proportional to 29,687.18, 40,968.29 and 16,259.27

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Solution

The fourth proportional to 29,687.18, 40,968.29 and 16,259.27 is: 22,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.18 : 40,968.29 = 16,259.27 : x
  2. Step 2: Convert to fraction form
    29,687.18/40,968.29 = 16,259.27/x
  3. Step 3: Cross multiply
    29,687.18x = 40,968.29 × 16,259.27
  4. Step 4: Simplify right side
    29,687.18x = 666,114,407.25
  5. Step 5: Solve for x
    x = 666,114,407.25/29,687.18
  6. Step 6: Final answer
    x = 22,437.78

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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.