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Finding the Fourth Proportional to 28,324.46, 42,483.74 and 9,604.01

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Solution

The fourth proportional to 28,324.46, 42,483.74 and 9,604.01 is: 14,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.46 : 42,483.74 = 9,604.01 : x
  2. Step 2: Convert to fraction form
    28,324.46/42,483.74 = 9,604.01/x
  3. Step 3: Cross multiply
    28,324.46x = 42,483.74 × 9,604.01
  4. Step 4: Simplify right side
    28,324.46x = 408,014,003.36
  5. Step 5: Solve for x
    x = 408,014,003.36/28,324.46
  6. Step 6: Final answer
    x = 14,405.01

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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.