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Finding the Fourth Proportional to 1,681.84, 2,522.76 and 586.22

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Solution

The fourth proportional to 1,681.84, 2,522.76 and 586.22 is: 879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681.84 : 2,522.76 = 586.22 : x
  2. Step 2: Convert to fraction form
    1,681.84/2,522.76 = 586.22/x
  3. Step 3: Cross multiply
    1,681.84x = 2,522.76 × 586.22
  4. Step 4: Simplify right side
    1,681.84x = 1,478,892.37
  5. Step 5: Solve for x
    x = 1,478,892.37/1,681.84
  6. Step 6: Final answer
    x = 879.33

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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.