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Finding the Fourth Proportional to 6,358,890.48, 8,798,374.44 and 5,544,791.88

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Solution

The fourth proportional to 6,358,890.48, 8,798,374.44 and 5,544,791.88 is: 7,671,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358,890.48 : 8,798,374.44 = 5,544,791.88 : x
  2. Step 2: Convert to fraction form
    6,358,890.48/8,798,374.44 = 5,544,791.88/x
  3. Step 3: Cross multiply
    6,358,890.48x = 8,798,374.44 × 5,544,791.88
  4. Step 4: Simplify right side
    6,358,890.48x = 48,785,155,152,111.55
  5. Step 5: Solve for x
    x = 48,785,155,152,111.55/6,358,890.48
  6. Step 6: Final answer
    x = 7,671,960.27

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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.