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Finding the Fourth Proportional to 7,484.98, 10,329.10 and 4,127.69

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Solution

The fourth proportional to 7,484.98, 10,329.10 and 4,127.69 is: 5,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.98 : 10,329.10 = 4,127.69 : x
  2. Step 2: Convert to fraction form
    7,484.98/10,329.10 = 4,127.69/x
  3. Step 3: Cross multiply
    7,484.98x = 10,329.10 × 4,127.69
  4. Step 4: Simplify right side
    7,484.98x = 42,635,322.78
  5. Step 5: Solve for x
    x = 42,635,322.78/7,484.98
  6. Step 6: Final answer
    x = 5,696.12

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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.