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Finding the Fourth Proportional to 21,606.66, 32,410.26 and 7,566.12

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Solution

The fourth proportional to 21,606.66, 32,410.26 and 7,566.12 is: 11,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.66 : 32,410.26 = 7,566.12 : x
  2. Step 2: Convert to fraction form
    21,606.66/32,410.26 = 7,566.12/x
  3. Step 3: Cross multiply
    21,606.66x = 32,410.26 × 7,566.12
  4. Step 4: Simplify right side
    21,606.66x = 245,219,916.39
  5. Step 5: Solve for x
    x = 245,219,916.39/21,606.66
  6. Step 6: Final answer
    x = 11,349.27

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Double scale
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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.