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Finding the Fourth Proportional to 9,048.60, 12,486.36 and 5,015.10

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Solution

The fourth proportional to 9,048.60, 12,486.36 and 5,015.10 is: 6,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.60 : 12,486.36 = 5,015.10 : x
  2. Step 2: Convert to fraction form
    9,048.60/12,486.36 = 5,015.10/x
  3. Step 3: Cross multiply
    9,048.60x = 12,486.36 × 5,015.10
  4. Step 4: Simplify right side
    9,048.60x = 62,620,344.04
  5. Step 5: Solve for x
    x = 62,620,344.04/9,048.60
  6. Step 6: Final answer
    x = 6,920.45

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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.