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Finding the Fourth Proportional to 6,489,774.07, 8,955,525.85 and 3,549,010.85

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Solution

The fourth proportional to 6,489,774.07, 8,955,525.85 and 3,549,010.85 is: 4,897,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489,774.07 : 8,955,525.85 = 3,549,010.85 : x
  2. Step 2: Convert to fraction form
    6,489,774.07/8,955,525.85 = 3,549,010.85/x
  3. Step 3: Cross multiply
    6,489,774.07x = 8,955,525.85 × 3,549,010.85
  4. Step 4: Simplify right side
    6,489,774.07x = 31,783,258,389,038.54
  5. Step 5: Solve for x
    x = 31,783,258,389,038.54/6,489,774.07
  6. Step 6: Final answer
    x = 4,897,436.81

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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.