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Finding the Fourth Proportional to 21,995.46, 32,995.08 and 7,204.32

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Solution

The fourth proportional to 21,995.46, 32,995.08 and 7,204.32 is: 10,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.46 : 32,995.08 = 7,204.32 : x
  2. Step 2: Convert to fraction form
    21,995.46/32,995.08 = 7,204.32/x
  3. Step 3: Cross multiply
    21,995.46x = 32,995.08 × 7,204.32
  4. Step 4: Simplify right side
    21,995.46x = 237,707,114.75
  5. Step 5: Solve for x
    x = 237,707,114.75/21,995.46
  6. Step 6: Final answer
    x = 10,807.10

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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.