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Finding the Fourth Proportional to 5,739.55, 8,602.13 and 2,448.79

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Solution

The fourth proportional to 5,739.55, 8,602.13 and 2,448.79 is: 3,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.55 : 8,602.13 = 2,448.79 : x
  2. Step 2: Convert to fraction form
    5,739.55/8,602.13 = 2,448.79/x
  3. Step 3: Cross multiply
    5,739.55x = 8,602.13 × 2,448.79
  4. Step 4: Simplify right side
    5,739.55x = 21,064,809.92
  5. Step 5: Solve for x
    x = 21,064,809.92/5,739.55
  6. Step 6: Final answer
    x = 3,670.12

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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.