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Finding the Fourth Proportional to 5,776,615.90, 7,971,840.75 and 3,455,897.86

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Solution

The fourth proportional to 5,776,615.90, 7,971,840.75 and 3,455,897.86 is: 4,769,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,615.90 : 7,971,840.75 = 3,455,897.86 : x
  2. Step 2: Convert to fraction form
    5,776,615.90/7,971,840.75 = 3,455,897.86/x
  3. Step 3: Cross multiply
    5,776,615.90x = 7,971,840.75 × 3,455,897.86
  4. Step 4: Simplify right side
    5,776,615.90x = 27,549,867,388,185.79
  5. Step 5: Solve for x
    x = 27,549,867,388,185.79/5,776,615.90
  6. Step 6: Final answer
    x = 4,769,205.34

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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.