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Finding the Fourth Proportional to 21,646.26, 32,472.96 and 7,602.63

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Solution

The fourth proportional to 21,646.26, 32,472.96 and 7,602.63 is: 11,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.26 : 32,472.96 = 7,602.63 : x
  2. Step 2: Convert to fraction form
    21,646.26/32,472.96 = 7,602.63/x
  3. Step 3: Cross multiply
    21,646.26x = 32,472.96 × 7,602.63
  4. Step 4: Simplify right side
    21,646.26x = 246,879,899.88
  5. Step 5: Solve for x
    x = 246,879,899.88/21,646.26
  6. Step 6: Final answer
    x = 11,405.20

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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.