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Finding the Fourth Proportional to 5,579,955.72, 7,701,179.32 and 3,405,762.32

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Solution

The fourth proportional to 5,579,955.72, 7,701,179.32 and 3,405,762.32 is: 4,700,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579,955.72 : 7,701,179.32 = 3,405,762.32 : x
  2. Step 2: Convert to fraction form
    5,579,955.72/7,701,179.32 = 3,405,762.32/x
  3. Step 3: Cross multiply
    5,579,955.72x = 7,701,179.32 × 3,405,762.32
  4. Step 4: Simplify right side
    5,579,955.72x = 26,228,386,347,619.22
  5. Step 5: Solve for x
    x = 26,228,386,347,619.22/5,579,955.72
  6. Step 6: Final answer
    x = 4,700,464.96

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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.