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Finding the Fourth Proportional to 5,000.70, 7,492.95 and 4,271.70

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Solution

The fourth proportional to 5,000.70, 7,492.95 and 4,271.70 is: 6,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.70 : 7,492.95 = 4,271.70 : x
  2. Step 2: Convert to fraction form
    5,000.70/7,492.95 = 4,271.70/x
  3. Step 3: Cross multiply
    5,000.70x = 7,492.95 × 4,271.70
  4. Step 4: Simplify right side
    5,000.70x = 32,007,634.52
  5. Step 5: Solve for x
    x = 32,007,634.52/5,000.70
  6. Step 6: Final answer
    x = 6,400.63

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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.