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Finding the Fourth Proportional to 9,368.04, 12,927.12 and 5,176.28

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Solution

The fourth proportional to 9,368.04, 12,927.12 and 5,176.28 is: 7,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.04 : 12,927.12 = 5,176.28 : x
  2. Step 2: Convert to fraction form
    9,368.04/12,927.12 = 5,176.28/x
  3. Step 3: Cross multiply
    9,368.04x = 12,927.12 × 5,176.28
  4. Step 4: Simplify right side
    9,368.04x = 66,914,392.71
  5. Step 5: Solve for x
    x = 66,914,392.71/9,368.04
  6. Step 6: Final answer
    x = 7,142.84

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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.