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Finding the Fourth Proportional to 20,482.00, 30,726.24 and 7,334.08

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Solution

The fourth proportional to 20,482.00, 30,726.24 and 7,334.08 is: 11,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.00 : 30,726.24 = 7,334.08 : x
  2. Step 2: Convert to fraction form
    20,482.00/30,726.24 = 7,334.08/x
  3. Step 3: Cross multiply
    20,482.00x = 30,726.24 × 7,334.08
  4. Step 4: Simplify right side
    20,482.00x = 225,348,597.94
  5. Step 5: Solve for x
    x = 225,348,597.94/20,482.00
  6. Step 6: Final answer
    x = 11,002.28

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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.