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Finding the Fourth Proportional to 14,674.31, 21,973.59 and 9,728.45

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Solution

The fourth proportional to 14,674.31, 21,973.59 and 9,728.45 is: 14,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.31 : 21,973.59 = 9,728.45 : x
  2. Step 2: Convert to fraction form
    14,674.31/21,973.59 = 9,728.45/x
  3. Step 3: Cross multiply
    14,674.31x = 21,973.59 × 9,728.45
  4. Step 4: Simplify right side
    14,674.31x = 213,768,861.77
  5. Step 5: Solve for x
    x = 213,768,861.77/14,674.31
  6. Step 6: Final answer
    x = 14,567.56

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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.