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Finding the Fourth Proportional to 10,195.12, 14,068.64 and 5,657.52

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Solution

The fourth proportional to 10,195.12, 14,068.64 and 5,657.52 is: 7,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.12 : 14,068.64 = 5,657.52 : x
  2. Step 2: Convert to fraction form
    10,195.12/14,068.64 = 5,657.52/x
  3. Step 3: Cross multiply
    10,195.12x = 14,068.64 × 5,657.52
  4. Step 4: Simplify right side
    10,195.12x = 79,593,612.17
  5. Step 5: Solve for x
    x = 79,593,612.17/10,195.12
  6. Step 6: Final answer
    x = 7,807.03

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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.