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Finding the Fourth Proportional to 4,756.48, 7,131.98 and 1,834.40

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Solution

The fourth proportional to 4,756.48, 7,131.98 and 1,834.40 is: 2,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.48 : 7,131.98 = 1,834.40 : x
  2. Step 2: Convert to fraction form
    4,756.48/7,131.98 = 1,834.40/x
  3. Step 3: Cross multiply
    4,756.48x = 7,131.98 × 1,834.40
  4. Step 4: Simplify right side
    4,756.48x = 13,082,904.11
  5. Step 5: Solve for x
    x = 13,082,904.11/4,756.48
  6. Step 6: Final answer
    x = 2,750.54

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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.