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Finding the Fourth Proportional to 5,199.76, 7,178.28 and 4,018.16

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Solution

The fourth proportional to 5,199.76, 7,178.28 and 4,018.16 is: 5,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.76 : 7,178.28 = 4,018.16 : x
  2. Step 2: Convert to fraction form
    5,199.76/7,178.28 = 4,018.16/x
  3. Step 3: Cross multiply
    5,199.76x = 7,178.28 × 4,018.16
  4. Step 4: Simplify right side
    5,199.76x = 28,843,477.56
  5. Step 5: Solve for x
    x = 28,843,477.56/5,199.76
  6. Step 6: Final answer
    x = 5,547.08

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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.