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Finding the Fourth Proportional to 6,913.40, 10,370.10 and 6,200.60

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Solution

The fourth proportional to 6,913.40, 10,370.10 and 6,200.60 is: 9,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.40 : 10,370.10 = 6,200.60 : x
  2. Step 2: Convert to fraction form
    6,913.40/10,370.10 = 6,200.60/x
  3. Step 3: Cross multiply
    6,913.40x = 10,370.10 × 6,200.60
  4. Step 4: Simplify right side
    6,913.40x = 64,300,842.06
  5. Step 5: Solve for x
    x = 64,300,842.06/6,913.40
  6. Step 6: Final answer
    x = 9,300.90

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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.