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Finding the Fourth Proportional to 3,483.95, 5,226 and 886.89

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Solution

The fourth proportional to 3,483.95, 5,226 and 886.89 is: 1,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.95 : 5,226 = 886.89 : x
  2. Step 2: Convert to fraction form
    3,483.95/5,226 = 886.89/x
  3. Step 3: Cross multiply
    3,483.95x = 5,226 × 886.89
  4. Step 4: Simplify right side
    3,483.95x = 4,634,887.14
  5. Step 5: Solve for x
    x = 4,634,887.14/3,483.95
  6. Step 6: Final answer
    x = 1,330.35

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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.