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Finding the Fourth Proportional to 7,416.48, 11,070.60 and 6,868.32

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Solution

The fourth proportional to 7,416.48, 11,070.60 and 6,868.32 is: 10,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.48 : 11,070.60 = 6,868.32 : x
  2. Step 2: Convert to fraction form
    7,416.48/11,070.60 = 6,868.32/x
  3. Step 3: Cross multiply
    7,416.48x = 11,070.60 × 6,868.32
  4. Step 4: Simplify right side
    7,416.48x = 76,036,423.39
  5. Step 5: Solve for x
    x = 76,036,423.39/7,416.48
  6. Step 6: Final answer
    x = 10,252.36

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.