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Finding the Fourth Proportional to 15,762.28, 21,751.66 and 8,592.24

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Solution

The fourth proportional to 15,762.28, 21,751.66 and 8,592.24 is: 11,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.28 : 21,751.66 = 8,592.24 : x
  2. Step 2: Convert to fraction form
    15,762.28/21,751.66 = 8,592.24/x
  3. Step 3: Cross multiply
    15,762.28x = 21,751.66 × 8,592.24
  4. Step 4: Simplify right side
    15,762.28x = 186,895,483.12
  5. Step 5: Solve for x
    x = 186,895,483.12/15,762.28
  6. Step 6: Final answer
    x = 11,857.14

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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.