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Finding the Fourth Proportional to 18,950.59, 28,427.25 and 5,801.25

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Solution

The fourth proportional to 18,950.59, 28,427.25 and 5,801.25 is: 8,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.59 : 28,427.25 = 5,801.25 : x
  2. Step 2: Convert to fraction form
    18,950.59/28,427.25 = 5,801.25/x
  3. Step 3: Cross multiply
    18,950.59x = 28,427.25 × 5,801.25
  4. Step 4: Simplify right side
    18,950.59x = 164,913,712.42
  5. Step 5: Solve for x
    x = 164,913,712.42/18,950.59
  6. Step 6: Final answer
    x = 8,702.30

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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.