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Finding the Fourth Proportional to 4,995.30, 7,492.95 and 2,803.98

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Solution

The fourth proportional to 4,995.30, 7,492.95 and 2,803.98 is: 4,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.30 : 7,492.95 = 2,803.98 : x
  2. Step 2: Convert to fraction form
    4,995.30/7,492.95 = 2,803.98/x
  3. Step 3: Cross multiply
    4,995.30x = 7,492.95 × 2,803.98
  4. Step 4: Simplify right side
    4,995.30x = 21,010,081.94
  5. Step 5: Solve for x
    x = 21,010,081.94/4,995.30
  6. Step 6: Final answer
    x = 4,205.97

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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.