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Finding the Fourth Proportional to 6,900.99, 10,352.76 and 6,274.99

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Solution

The fourth proportional to 6,900.99, 10,352.76 and 6,274.99 is: 9,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.99 : 10,352.76 = 6,274.99 : x
  2. Step 2: Convert to fraction form
    6,900.99/10,352.76 = 6,274.99/x
  3. Step 3: Cross multiply
    6,900.99x = 10,352.76 × 6,274.99
  4. Step 4: Simplify right side
    6,900.99x = 64,963,465.47
  5. Step 5: Solve for x
    x = 64,963,465.47/6,900.99
  6. Step 6: Final answer
    x = 9,413.64

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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.