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Finding the Fourth Proportional to 14,322.96, 21,485.94 and 4,962.96

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Solution

The fourth proportional to 14,322.96, 21,485.94 and 4,962.96 is: 7,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.96 : 21,485.94 = 4,962.96 : x
  2. Step 2: Convert to fraction form
    14,322.96/21,485.94 = 4,962.96/x
  3. Step 3: Cross multiply
    14,322.96x = 21,485.94 × 4,962.96
  4. Step 4: Simplify right side
    14,322.96x = 106,633,860.78
  5. Step 5: Solve for x
    x = 106,633,860.78/14,322.96
  6. Step 6: Final answer
    x = 7,444.96

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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.