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Finding the Fourth Proportional to 6,473,658.24, 8,936,671.68 and 3,756,879.36

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Solution

The fourth proportional to 6,473,658.24, 8,936,671.68 and 3,756,879.36 is: 5,186,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473,658.24 : 8,936,671.68 = 3,756,879.36 : x
  2. Step 2: Convert to fraction form
    6,473,658.24/8,936,671.68 = 3,756,879.36/x
  3. Step 3: Cross multiply
    6,473,658.24x = 8,936,671.68 × 3,756,879.36
  4. Step 4: Simplify right side
    6,473,658.24x = 33,573,997,381,688.52
  5. Step 5: Solve for x
    x = 33,573,997,381,688.52/6,473,658.24
  6. Step 6: Final answer
    x = 5,186,248.04

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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.