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Finding the Fourth Proportional to 29,130.80, 43,728.60 and 16,008.80

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Solution

The fourth proportional to 29,130.80, 43,728.60 and 16,008.80 is: 24,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.80 : 43,728.60 = 16,008.80 : x
  2. Step 2: Convert to fraction form
    29,130.80/43,728.60 = 16,008.80/x
  3. Step 3: Cross multiply
    29,130.80x = 43,728.60 × 16,008.80
  4. Step 4: Simplify right side
    29,130.80x = 700,042,411.68
  5. Step 5: Solve for x
    x = 700,042,411.68/29,130.80
  6. Step 6: Final answer
    x = 24,031.01

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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.