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Finding the Fourth Proportional to 8,978.93, 13,468.40 and 2,404.95

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Solution

The fourth proportional to 8,978.93, 13,468.40 and 2,404.95 is: 3,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978.93 : 13,468.40 = 2,404.95 : x
  2. Step 2: Convert to fraction form
    8,978.93/13,468.40 = 2,404.95/x
  3. Step 3: Cross multiply
    8,978.93x = 13,468.40 × 2,404.95
  4. Step 4: Simplify right side
    8,978.93x = 32,390,834.59
  5. Step 5: Solve for x
    x = 32,390,834.59/8,978.93
  6. Step 6: Final answer
    x = 3,607.43

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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.