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Finding the Fourth Proportional to 7,000.92, 10,492.74 and 3,100.92

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Solution

The fourth proportional to 7,000.92, 10,492.74 and 3,100.92 is: 4,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.92 : 10,492.74 = 3,100.92 : x
  2. Step 2: Convert to fraction form
    7,000.92/10,492.74 = 3,100.92/x
  3. Step 3: Cross multiply
    7,000.92x = 10,492.74 × 3,100.92
  4. Step 4: Simplify right side
    7,000.92x = 32,537,147.32
  5. Step 5: Solve for x
    x = 32,537,147.32/7,000.92
  6. Step 6: Final answer
    x = 4,647.55

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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.