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Finding the Fourth Proportional to 21,362.29, 32,047.08 and 6,570.88

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Solution

The fourth proportional to 21,362.29, 32,047.08 and 6,570.88 is: 9,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.29 : 32,047.08 = 6,570.88 : x
  2. Step 2: Convert to fraction form
    21,362.29/32,047.08 = 6,570.88/x
  3. Step 3: Cross multiply
    21,362.29x = 32,047.08 × 6,570.88
  4. Step 4: Simplify right side
    21,362.29x = 210,577,517.03
  5. Step 5: Solve for x
    x = 210,577,517.03/21,362.29
  6. Step 6: Final answer
    x = 9,857.44

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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.