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Finding the Fourth Proportional to 7,386.15, 10,192.80 and 4,029.01

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Solution

The fourth proportional to 7,386.15, 10,192.80 and 4,029.01 is: 5,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.15 : 10,192.80 = 4,029.01 : x
  2. Step 2: Convert to fraction form
    7,386.15/10,192.80 = 4,029.01/x
  3. Step 3: Cross multiply
    7,386.15x = 10,192.80 × 4,029.01
  4. Step 4: Simplify right side
    7,386.15x = 41,066,893.13
  5. Step 5: Solve for x
    x = 41,066,893.13/7,386.15
  6. Step 6: Final answer
    x = 5,559.99

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