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Finding the Fourth Proportional to 2,047.17, 3,070.74 and 586.32

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Solution

The fourth proportional to 2,047.17, 3,070.74 and 586.32 is: 879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.17 : 3,070.74 = 586.32 : x
  2. Step 2: Convert to fraction form
    2,047.17/3,070.74 = 586.32/x
  3. Step 3: Cross multiply
    2,047.17x = 3,070.74 × 586.32
  4. Step 4: Simplify right side
    2,047.17x = 1,800,428.80
  5. Step 5: Solve for x
    x = 1,800,428.80/2,047.17
  6. Step 6: Final answer
    x = 879.47

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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.