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Finding the Fourth Proportional to 7,492.25, 11,238.92 and 2,875.25

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Solution

The fourth proportional to 7,492.25, 11,238.92 and 2,875.25 is: 4,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.25 : 11,238.92 = 2,875.25 : x
  2. Step 2: Convert to fraction form
    7,492.25/11,238.92 = 2,875.25/x
  3. Step 3: Cross multiply
    7,492.25x = 11,238.92 × 2,875.25
  4. Step 4: Simplify right side
    7,492.25x = 32,314,690.35
  5. Step 5: Solve for x
    x = 32,314,690.35/7,492.25
  6. Step 6: Final answer
    x = 4,313.08

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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.