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Finding the Fourth Proportional to 21,795.58, 32,696.11 and 7,004.17

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Solution

The fourth proportional to 21,795.58, 32,696.11 and 7,004.17 is: 10,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.58 : 32,696.11 = 7,004.17 : x
  2. Step 2: Convert to fraction form
    21,795.58/32,696.11 = 7,004.17/x
  3. Step 3: Cross multiply
    21,795.58x = 32,696.11 × 7,004.17
  4. Step 4: Simplify right side
    21,795.58x = 229,009,123.01
  5. Step 5: Solve for x
    x = 229,009,123.01/21,795.58
  6. Step 6: Final answer
    x = 10,507.14

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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.