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Finding the Fourth Proportional to 5,479,848.79, 7,562,314.72 and 3,549,469.32

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Solution

The fourth proportional to 5,479,848.79, 7,562,314.72 and 3,549,469.32 is: 4,898,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,848.79 : 7,562,314.72 = 3,549,469.32 : x
  2. Step 2: Convert to fraction form
    5,479,848.79/7,562,314.72 = 3,549,469.32/x
  3. Step 3: Cross multiply
    5,479,848.79x = 7,562,314.72 × 3,549,469.32
  4. Step 4: Simplify right side
    5,479,848.79x = 26,842,204,081,278.34
  5. Step 5: Solve for x
    x = 26,842,204,081,278.34/5,479,848.79
  6. Step 6: Final answer
    x = 4,898,347.58

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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.