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Finding the Fourth Proportional to 5,718.93, 8,579.19 and 1,770.51

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Solution

The fourth proportional to 5,718.93, 8,579.19 and 1,770.51 is: 2,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.93 : 8,579.19 = 1,770.51 : x
  2. Step 2: Convert to fraction form
    5,718.93/8,579.19 = 1,770.51/x
  3. Step 3: Cross multiply
    5,718.93x = 8,579.19 × 1,770.51
  4. Step 4: Simplify right side
    5,718.93x = 15,189,541.69
  5. Step 5: Solve for x
    x = 15,189,541.69/5,718.93
  6. Step 6: Final answer
    x = 2,656.01

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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.