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Finding the Fourth Proportional to 6,334.99, 8,737.54 and 5,618.01

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Solution

The fourth proportional to 6,334.99, 8,737.54 and 5,618.01 is: 7,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,334.99 : 8,737.54 = 5,618.01 : x
  2. Step 2: Convert to fraction form
    6,334.99/8,737.54 = 5,618.01/x
  3. Step 3: Cross multiply
    6,334.99x = 8,737.54 × 5,618.01
  4. Step 4: Simplify right side
    6,334.99x = 49,087,605.82
  5. Step 5: Solve for x
    x = 49,087,605.82/6,334.99
  6. Step 6: Final answer
    x = 7,748.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.