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Finding the Fourth Proportional to 5,587.99, 8,361.98 and 4,840.09

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Solution

The fourth proportional to 5,587.99, 8,361.98 and 4,840.09 is: 7,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.99 : 8,361.98 = 4,840.09 : x
  2. Step 2: Convert to fraction form
    5,587.99/8,361.98 = 4,840.09/x
  3. Step 3: Cross multiply
    5,587.99x = 8,361.98 × 4,840.09
  4. Step 4: Simplify right side
    5,587.99x = 40,472,708.82
  5. Step 5: Solve for x
    x = 40,472,708.82/5,587.99
  6. Step 6: Final answer
    x = 7,242.81

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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.