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Finding the Fourth Proportional to 21,935.36, 32,898.72 and 6,353.12

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Solution

The fourth proportional to 21,935.36, 32,898.72 and 6,353.12 is: 9,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.36 : 32,898.72 = 6,353.12 : x
  2. Step 2: Convert to fraction form
    21,935.36/32,898.72 = 6,353.12/x
  3. Step 3: Cross multiply
    21,935.36x = 32,898.72 × 6,353.12
  4. Step 4: Simplify right side
    21,935.36x = 209,009,516.01
  5. Step 5: Solve for x
    x = 209,009,516.01/21,935.36
  6. Step 6: Final answer
    x = 9,528.43

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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.