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Finding the Fourth Proportional to 7,410.32, 11,114.76 and 5,340.08

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Solution

The fourth proportional to 7,410.32, 11,114.76 and 5,340.08 is: 8,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.32 : 11,114.76 = 5,340.08 : x
  2. Step 2: Convert to fraction form
    7,410.32/11,114.76 = 5,340.08/x
  3. Step 3: Cross multiply
    7,410.32x = 11,114.76 × 5,340.08
  4. Step 4: Simplify right side
    7,410.32x = 59,353,707.58
  5. Step 5: Solve for x
    x = 59,353,707.58/7,410.32
  6. Step 6: Final answer
    x = 8,009.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.