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Finding the Fourth Proportional to 14,621.60, 21,932.40 and 14,621.60

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Solution

The fourth proportional to 14,621.60, 21,932.40 and 14,621.60 is: 21,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.60 : 21,932.40 = 14,621.60 : x
  2. Step 2: Convert to fraction form
    14,621.60/21,932.40 = 14,621.60/x
  3. Step 3: Cross multiply
    14,621.60x = 21,932.40 × 14,621.60
  4. Step 4: Simplify right side
    14,621.60x = 320,686,779.84
  5. Step 5: Solve for x
    x = 320,686,779.84/14,621.60
  6. Step 6: Final answer
    x = 21,932.40

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Similar ratio
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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.