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Finding the Fourth Proportional to 3,460.57, 4,775.56 and 1,888.67

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Solution

The fourth proportional to 3,460.57, 4,775.56 and 1,888.67 is: 2,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.57 : 4,775.56 = 1,888.67 : x
  2. Step 2: Convert to fraction form
    3,460.57/4,775.56 = 1,888.67/x
  3. Step 3: Cross multiply
    3,460.57x = 4,775.56 × 1,888.67
  4. Step 4: Simplify right side
    3,460.57x = 9,019,437.26
  5. Step 5: Solve for x
    x = 9,019,437.26/3,460.57
  6. Step 6: Final answer
    x = 2,606.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.