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Finding the Fourth Proportional to 7,041.48, 10,507.32 and 6,992.88

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Solution

The fourth proportional to 7,041.48, 10,507.32 and 6,992.88 is: 10,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.48 : 10,507.32 = 6,992.88 : x
  2. Step 2: Convert to fraction form
    7,041.48/10,507.32 = 6,992.88/x
  3. Step 3: Cross multiply
    7,041.48x = 10,507.32 × 6,992.88
  4. Step 4: Simplify right side
    7,041.48x = 73,476,427.88
  5. Step 5: Solve for x
    x = 73,476,427.88/7,041.48
  6. Step 6: Final answer
    x = 10,434.80

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.