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Finding the Fourth Proportional to 19,666.96, 29,499.48 and 7,354

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Solution

The fourth proportional to 19,666.96, 29,499.48 and 7,354 is: 11,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.96 : 29,499.48 = 7,354 : x
  2. Step 2: Convert to fraction form
    19,666.96/29,499.48 = 7,354/x
  3. Step 3: Cross multiply
    19,666.96x = 29,499.48 × 7,354
  4. Step 4: Simplify right side
    19,666.96x = 216,939,175.92
  5. Step 5: Solve for x
    x = 216,939,175.92/19,666.96
  6. Step 6: Final answer
    x = 11,030.64

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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.