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Finding the Fourth Proportional to 16,064.40, 24,080.40 and 9,487.20

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Solution

The fourth proportional to 16,064.40, 24,080.40 and 9,487.20 is: 14,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,064.40 : 24,080.40 = 9,487.20 : x
  2. Step 2: Convert to fraction form
    16,064.40/24,080.40 = 9,487.20/x
  3. Step 3: Cross multiply
    16,064.40x = 24,080.40 × 9,487.20
  4. Step 4: Simplify right side
    16,064.40x = 228,455,570.88
  5. Step 5: Solve for x
    x = 228,455,570.88/16,064.40
  6. Step 6: Final answer
    x = 14,221.23

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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.