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Finding the Fourth Proportional to 2,357.96, 3,537.86 and 714.67

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Solution

The fourth proportional to 2,357.96, 3,537.86 and 714.67 is: 1,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.96 : 3,537.86 = 714.67 : x
  2. Step 2: Convert to fraction form
    2,357.96/3,537.86 = 714.67/x
  3. Step 3: Cross multiply
    2,357.96x = 3,537.86 × 714.67
  4. Step 4: Simplify right side
    2,357.96x = 2,528,389.99
  5. Step 5: Solve for x
    x = 2,528,389.99/2,357.96
  6. Step 6: Final answer
    x = 1,072.28

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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.