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Finding the Fourth Proportional to 14,437.12, 19,923.30 and 7,813.12

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Solution

The fourth proportional to 14,437.12, 19,923.30 and 7,813.12 is: 10,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.12 : 19,923.30 = 7,813.12 : x
  2. Step 2: Convert to fraction form
    14,437.12/19,923.30 = 7,813.12/x
  3. Step 3: Cross multiply
    14,437.12x = 19,923.30 × 7,813.12
  4. Step 4: Simplify right side
    14,437.12x = 155,663,133.70
  5. Step 5: Solve for x
    x = 155,663,133.70/14,437.12
  6. Step 6: Final answer
    x = 10,782.15

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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.