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Finding the Fourth Proportional to 6,282.60, 9,423.90 and 4,095.60

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Solution

The fourth proportional to 6,282.60, 9,423.90 and 4,095.60 is: 6,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.60 : 9,423.90 = 4,095.60 : x
  2. Step 2: Convert to fraction form
    6,282.60/9,423.90 = 4,095.60/x
  3. Step 3: Cross multiply
    6,282.60x = 9,423.90 × 4,095.60
  4. Step 4: Simplify right side
    6,282.60x = 38,596,524.84
  5. Step 5: Solve for x
    x = 38,596,524.84/6,282.60
  6. Step 6: Final answer
    x = 6,143.40

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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.