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Finding the Fourth Proportional to 7,512.99, 10,368.03 and 4,156.08

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Solution

The fourth proportional to 7,512.99, 10,368.03 and 4,156.08 is: 5,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.99 : 10,368.03 = 4,156.08 : x
  2. Step 2: Convert to fraction form
    7,512.99/10,368.03 = 4,156.08/x
  3. Step 3: Cross multiply
    7,512.99x = 10,368.03 × 4,156.08
  4. Step 4: Simplify right side
    7,512.99x = 43,090,362.12
  5. Step 5: Solve for x
    x = 43,090,362.12/7,512.99
  6. Step 6: Final answer
    x = 5,735.45

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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.