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Finding the Fourth Proportional to 16,383.20, 24,574.80 and 4,071.20

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Solution

The fourth proportional to 16,383.20, 24,574.80 and 4,071.20 is: 6,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,383.20 : 24,574.80 = 4,071.20 : x
  2. Step 2: Convert to fraction form
    16,383.20/24,574.80 = 4,071.20/x
  3. Step 3: Cross multiply
    16,383.20x = 24,574.80 × 4,071.20
  4. Step 4: Simplify right side
    16,383.20x = 100,048,802.89
  5. Step 5: Solve for x
    x = 100,048,802.89/16,383.20
  6. Step 6: Final answer
    x = 6,106.79

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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.