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Finding the Fourth Proportional to 23,779.63, 32,786.04 and 15,266.71

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Solution

The fourth proportional to 23,779.63, 32,786.04 and 15,266.71 is: 21,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.63 : 32,786.04 = 15,266.71 : x
  2. Step 2: Convert to fraction form
    23,779.63/32,786.04 = 15,266.71/x
  3. Step 3: Cross multiply
    23,779.63x = 32,786.04 × 15,266.71
  4. Step 4: Simplify right side
    23,779.63x = 500,534,964.73
  5. Step 5: Solve for x
    x = 500,534,964.73/23,779.63
  6. Step 6: Final answer
    x = 21,048.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.