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Finding the Fourth Proportional to 14,325.50, 19,768.88 and 7,951.72

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Solution

The fourth proportional to 14,325.50, 19,768.88 and 7,951.72 is: 10,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.50 : 19,768.88 = 7,951.72 : x
  2. Step 2: Convert to fraction form
    14,325.50/19,768.88 = 7,951.72/x
  3. Step 3: Cross multiply
    14,325.50x = 19,768.88 × 7,951.72
  4. Step 4: Simplify right side
    14,325.50x = 157,196,598.47
  5. Step 5: Solve for x
    x = 157,196,598.47/14,325.50
  6. Step 6: Final answer
    x = 10,973.20

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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.