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Finding the Fourth Proportional to 6,990.01, 10,485 and 4,792.07

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Solution

The fourth proportional to 6,990.01, 10,485 and 4,792.07 is: 7,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.01 : 10,485 = 4,792.07 : x
  2. Step 2: Convert to fraction form
    6,990.01/10,485 = 4,792.07/x
  3. Step 3: Cross multiply
    6,990.01x = 10,485 × 4,792.07
  4. Step 4: Simplify right side
    6,990.01x = 50,244,880.16
  5. Step 5: Solve for x
    x = 50,244,880.16/6,990.01
  6. Step 6: Final answer
    x = 7,188.10

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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.