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Finding the Fourth Proportional to 20,606.98, 30,925.24 and 8,769.07

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Solution

The fourth proportional to 20,606.98, 30,925.24 and 8,769.07 is: 13,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,606.98 : 30,925.24 = 8,769.07 : x
  2. Step 2: Convert to fraction form
    20,606.98/30,925.24 = 8,769.07/x
  3. Step 3: Cross multiply
    20,606.98x = 30,925.24 × 8,769.07
  4. Step 4: Simplify right side
    20,606.98x = 271,185,566.49
  5. Step 5: Solve for x
    x = 271,185,566.49/20,606.98
  6. Step 6: Final answer
    x = 13,159.89

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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.