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Finding the Fourth Proportional to 13,970.58, 20,958.62 and 4,610.22

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Solution

The fourth proportional to 13,970.58, 20,958.62 and 4,610.22 is: 6,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.58 : 20,958.62 = 4,610.22 : x
  2. Step 2: Convert to fraction form
    13,970.58/20,958.62 = 4,610.22/x
  3. Step 3: Cross multiply
    13,970.58x = 20,958.62 × 4,610.22
  4. Step 4: Simplify right side
    13,970.58x = 96,623,826.05
  5. Step 5: Solve for x
    x = 96,623,826.05/13,970.58
  6. Step 6: Final answer
    x = 6,916.24

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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.