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Finding the Fourth Proportional to 9,863.88, 14,790.24 and 4,013.62

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Solution

The fourth proportional to 9,863.88, 14,790.24 and 4,013.62 is: 6,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.88 : 14,790.24 = 4,013.62 : x
  2. Step 2: Convert to fraction form
    9,863.88/14,790.24 = 4,013.62/x
  3. Step 3: Cross multiply
    9,863.88x = 14,790.24 × 4,013.62
  4. Step 4: Simplify right side
    9,863.88x = 59,362,403.07
  5. Step 5: Solve for x
    x = 59,362,403.07/9,863.88
  6. Step 6: Final answer
    x = 6,018.16

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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.