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Finding the Fourth Proportional to 16,341.80, 24,528.90 and 8,031.20

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Solution

The fourth proportional to 16,341.80, 24,528.90 and 8,031.20 is: 12,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,341.80 : 24,528.90 = 8,031.20 : x
  2. Step 2: Convert to fraction form
    16,341.80/24,528.90 = 8,031.20/x
  3. Step 3: Cross multiply
    16,341.80x = 24,528.90 × 8,031.20
  4. Step 4: Simplify right side
    16,341.80x = 196,996,501.68
  5. Step 5: Solve for x
    x = 196,996,501.68/16,341.80
  6. Step 6: Final answer
    x = 12,054.76

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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.