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Finding the Fourth Proportional to 14,125.65, 19,505.79 and 8,829.51

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Solution

The fourth proportional to 14,125.65, 19,505.79 and 8,829.51 is: 12,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.65 : 19,505.79 = 8,829.51 : x
  2. Step 2: Convert to fraction form
    14,125.65/19,505.79 = 8,829.51/x
  3. Step 3: Cross multiply
    14,125.65x = 19,505.79 × 8,829.51
  4. Step 4: Simplify right side
    14,125.65x = 172,226,567.86
  5. Step 5: Solve for x
    x = 172,226,567.86/14,125.65
  6. Step 6: Final answer
    x = 12,192.47

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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.