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Finding the Fourth Proportional to 14,353.56, 21,535.83 and 6,957.45

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Solution

The fourth proportional to 14,353.56, 21,535.83 and 6,957.45 is: 10,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.56 : 21,535.83 = 6,957.45 : x
  2. Step 2: Convert to fraction form
    14,353.56/21,535.83 = 6,957.45/x
  3. Step 3: Cross multiply
    14,353.56x = 21,535.83 × 6,957.45
  4. Step 4: Simplify right side
    14,353.56x = 149,834,460.43
  5. Step 5: Solve for x
    x = 149,834,460.43/14,353.56
  6. Step 6: Final answer
    x = 10,438.84

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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.