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Finding the Fourth Proportional to 14,312.06, 19,750.63 and 8,723.06

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Solution

The fourth proportional to 14,312.06, 19,750.63 and 8,723.06 is: 12,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.06 : 19,750.63 = 8,723.06 : x
  2. Step 2: Convert to fraction form
    14,312.06/19,750.63 = 8,723.06/x
  3. Step 3: Cross multiply
    14,312.06x = 19,750.63 × 8,723.06
  4. Step 4: Simplify right side
    14,312.06x = 172,285,788.16
  5. Step 5: Solve for x
    x = 172,285,788.16/14,312.06
  6. Step 6: Final answer
    x = 12,037.81

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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.