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Finding the Fourth Proportional to 16,303.92, 24,457.20 and 5,212.20

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Solution

The fourth proportional to 16,303.92, 24,457.20 and 5,212.20 is: 7,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,303.92 : 24,457.20 = 5,212.20 : x
  2. Step 2: Convert to fraction form
    16,303.92/24,457.20 = 5,212.20/x
  3. Step 3: Cross multiply
    16,303.92x = 24,457.20 × 5,212.20
  4. Step 4: Simplify right side
    16,303.92x = 127,475,817.84
  5. Step 5: Solve for x
    x = 127,475,817.84/16,303.92
  6. Step 6: Final answer
    x = 7,818.72

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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.