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Finding the Fourth Proportional to 7,195,696.69, 9,931,289.93 and 4,295,237.17

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Solution

The fourth proportional to 7,195,696.69, 9,931,289.93 and 4,295,237.17 is: 5,928,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195,696.69 : 9,931,289.93 = 4,295,237.17 : x
  2. Step 2: Convert to fraction form
    7,195,696.69/9,931,289.93 = 4,295,237.17/x
  3. Step 3: Cross multiply
    7,195,696.69x = 9,931,289.93 × 4,295,237.17
  4. Step 4: Simplify right side
    7,195,696.69x = 42,657,245,631,906.52
  5. Step 5: Solve for x
    x = 42,657,245,631,906.52/7,195,696.69
  6. Step 6: Final answer
    x = 5,928,160.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.