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Finding the Fourth Proportional to 8,671,769.07, 13,006,640.19 and 3,484,168.31

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Solution

The fourth proportional to 8,671,769.07, 13,006,640.19 and 3,484,168.31 is: 5,225,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,769.07 : 13,006,640.19 = 3,484,168.31 : x
  2. Step 2: Convert to fraction form
    8,671,769.07/13,006,640.19 = 3,484,168.31/x
  3. Step 3: Cross multiply
    8,671,769.07x = 13,006,640.19 × 3,484,168.31
  4. Step 4: Simplify right side
    8,671,769.07x = 45,317,323,569,570.38
  5. Step 5: Solve for x
    x = 45,317,323,569,570.38/8,671,769.07
  6. Step 6: Final answer
    x = 5,225,845.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.