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Finding the Fourth Proportional to 7,630.16, 10,529.88 and 4,486.64

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Solution

The fourth proportional to 7,630.16, 10,529.88 and 4,486.64 is: 6,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.16 : 10,529.88 = 4,486.64 : x
  2. Step 2: Convert to fraction form
    7,630.16/10,529.88 = 4,486.64/x
  3. Step 3: Cross multiply
    7,630.16x = 10,529.88 × 4,486.64
  4. Step 4: Simplify right side
    7,630.16x = 47,243,780.80
  5. Step 5: Solve for x
    x = 47,243,780.80/7,630.16
  6. Step 6: Final answer
    x = 6,191.72

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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.