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Finding the Fourth Proportional to 14,625.70, 21,938.07 and 5,858.26

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Solution

The fourth proportional to 14,625.70, 21,938.07 and 5,858.26 is: 8,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.70 : 21,938.07 = 5,858.26 : x
  2. Step 2: Convert to fraction form
    14,625.70/21,938.07 = 5,858.26/x
  3. Step 3: Cross multiply
    14,625.70x = 21,938.07 × 5,858.26
  4. Step 4: Simplify right side
    14,625.70x = 128,518,917.96
  5. Step 5: Solve for x
    x = 128,518,917.96/14,625.70
  6. Step 6: Final answer
    x = 8,787.20

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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.