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Finding the Fourth Proportional to 7,210.99, 10,797.61 and 5,797.90

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Solution

The fourth proportional to 7,210.99, 10,797.61 and 5,797.90 is: 8,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.99 : 10,797.61 = 5,797.90 : x
  2. Step 2: Convert to fraction form
    7,210.99/10,797.61 = 5,797.90/x
  3. Step 3: Cross multiply
    7,210.99x = 10,797.61 × 5,797.90
  4. Step 4: Simplify right side
    7,210.99x = 62,603,507.34
  5. Step 5: Solve for x
    x = 62,603,507.34/7,210.99
  6. Step 6: Final answer
    x = 8,681.68

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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.