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Finding the Fourth Proportional to 9,995.88, 14,990.52 and 4,730.16

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Solution

The fourth proportional to 9,995.88, 14,990.52 and 4,730.16 is: 7,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.88 : 14,990.52 = 4,730.16 : x
  2. Step 2: Convert to fraction form
    9,995.88/14,990.52 = 4,730.16/x
  3. Step 3: Cross multiply
    9,995.88x = 14,990.52 × 4,730.16
  4. Step 4: Simplify right side
    9,995.88x = 70,907,558.08
  5. Step 5: Solve for x
    x = 70,907,558.08/9,995.88
  6. Step 6: Final answer
    x = 7,093.68

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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.