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Finding the Fourth Proportional to 14,325.76, 19,770.72 and 8,038.72

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Solution

The fourth proportional to 14,325.76, 19,770.72 and 8,038.72 is: 11,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.76 : 19,770.72 = 8,038.72 : x
  2. Step 2: Convert to fraction form
    14,325.76/19,770.72 = 8,038.72/x
  3. Step 3: Cross multiply
    14,325.76x = 19,770.72 × 8,038.72
  4. Step 4: Simplify right side
    14,325.76x = 158,931,282.28
  5. Step 5: Solve for x
    x = 158,931,282.28/14,325.76
  6. Step 6: Final answer
    x = 11,094.09

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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.