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Finding the Fourth Proportional to 7,636.69, 10,543.79 and 4,948.70

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Solution

The fourth proportional to 7,636.69, 10,543.79 and 4,948.70 is: 6,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.69 : 10,543.79 = 4,948.70 : x
  2. Step 2: Convert to fraction form
    7,636.69/10,543.79 = 4,948.70/x
  3. Step 3: Cross multiply
    7,636.69x = 10,543.79 × 4,948.70
  4. Step 4: Simplify right side
    7,636.69x = 52,178,028.83
  5. Step 5: Solve for x
    x = 52,178,028.83/7,636.69
  6. Step 6: Final answer
    x = 6,832.55

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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.