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Finding the Fourth Proportional to 10,366.90, 15,550.35 and 9,492.10

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Solution

The fourth proportional to 10,366.90, 15,550.35 and 9,492.10 is: 14,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.90 : 15,550.35 = 9,492.10 : x
  2. Step 2: Convert to fraction form
    10,366.90/15,550.35 = 9,492.10/x
  3. Step 3: Cross multiply
    10,366.90x = 15,550.35 × 9,492.10
  4. Step 4: Simplify right side
    10,366.90x = 147,605,477.24
  5. Step 5: Solve for x
    x = 147,605,477.24/10,366.90
  6. Step 6: Final answer
    x = 14,238.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.