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Finding the Fourth Proportional to 15,798.24, 21,800.16 and 9,082.08

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Solution

The fourth proportional to 15,798.24, 21,800.16 and 9,082.08 is: 12,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.24 : 21,800.16 = 9,082.08 : x
  2. Step 2: Convert to fraction form
    15,798.24/21,800.16 = 9,082.08/x
  3. Step 3: Cross multiply
    15,798.24x = 21,800.16 × 9,082.08
  4. Step 4: Simplify right side
    15,798.24x = 197,990,797.13
  5. Step 5: Solve for x
    x = 197,990,797.13/15,798.24
  6. Step 6: Final answer
    x = 12,532.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.