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Finding the Fourth Proportional to 14,426.48, 19,909.53 and 8,054.31

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Solution

The fourth proportional to 14,426.48, 19,909.53 and 8,054.31 is: 11,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.48 : 19,909.53 = 8,054.31 : x
  2. Step 2: Convert to fraction form
    14,426.48/19,909.53 = 8,054.31/x
  3. Step 3: Cross multiply
    14,426.48x = 19,909.53 × 8,054.31
  4. Step 4: Simplify right side
    14,426.48x = 160,357,526.57
  5. Step 5: Solve for x
    x = 160,357,526.57/14,426.48
  6. Step 6: Final answer
    x = 11,115.50

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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.