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Finding the Fourth Proportional to 14,300.21, 21,442.99 and 5,977.95

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Solution

The fourth proportional to 14,300.21, 21,442.99 and 5,977.95 is: 8,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.21 : 21,442.99 = 5,977.95 : x
  2. Step 2: Convert to fraction form
    14,300.21/21,442.99 = 5,977.95/x
  3. Step 3: Cross multiply
    14,300.21x = 21,442.99 × 5,977.95
  4. Step 4: Simplify right side
    14,300.21x = 128,185,122.07
  5. Step 5: Solve for x
    x = 128,185,122.07/14,300.21
  6. Step 6: Final answer
    x = 8,963.86

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1.5x scale

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.