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Finding the Fourth Proportional to 7,967.63, 10,994.74 and 4,430.57

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Solution

The fourth proportional to 7,967.63, 10,994.74 and 4,430.57 is: 6,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.63 : 10,994.74 = 4,430.57 : x
  2. Step 2: Convert to fraction form
    7,967.63/10,994.74 = 4,430.57/x
  3. Step 3: Cross multiply
    7,967.63x = 10,994.74 × 4,430.57
  4. Step 4: Simplify right side
    7,967.63x = 48,712,899.15
  5. Step 5: Solve for x
    x = 48,712,899.15/7,967.63
  6. Step 6: Final answer
    x = 6,113.85

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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.