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Finding the Fourth Proportional to 1,756.89, 2,635.03 and 586.77

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Solution

The fourth proportional to 1,756.89, 2,635.03 and 586.77 is: 880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.89 : 2,635.03 = 586.77 : x
  2. Step 2: Convert to fraction form
    1,756.89/2,635.03 = 586.77/x
  3. Step 3: Cross multiply
    1,756.89x = 2,635.03 × 586.77
  4. Step 4: Simplify right side
    1,756.89x = 1,546,154.82
  5. Step 5: Solve for x
    x = 1,546,154.82/1,756.89
  6. Step 6: Final answer
    x = 880.05

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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.