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Finding the Fourth Proportional to 29,985.40, 44,991.06 and 16,118.20

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Solution

The fourth proportional to 29,985.40, 44,991.06 and 16,118.20 is: 24,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.40 : 44,991.06 = 16,118.20 : x
  2. Step 2: Convert to fraction form
    29,985.40/44,991.06 = 16,118.20/x
  3. Step 3: Cross multiply
    29,985.40x = 44,991.06 × 16,118.20
  4. Step 4: Simplify right side
    29,985.40x = 725,174,903.29
  5. Step 5: Solve for x
    x = 725,174,903.29/29,985.40
  6. Step 6: Final answer
    x = 24,184.27

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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.