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Finding the Fourth Proportional to 5,610,809.38, 7,742,762.04 and 3,163,398.97

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Solution

The fourth proportional to 5,610,809.38, 7,742,762.04 and 3,163,398.97 is: 4,365,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610,809.38 : 7,742,762.04 = 3,163,398.97 : x
  2. Step 2: Convert to fraction form
    5,610,809.38/7,742,762.04 = 3,163,398.97/x
  3. Step 3: Cross multiply
    5,610,809.38x = 7,742,762.04 × 3,163,398.97
  4. Step 4: Simplify right side
    5,610,809.38x = 24,493,445,462,291.10
  5. Step 5: Solve for x
    x = 24,493,445,462,291.10/5,610,809.38
  6. Step 6: Final answer
    x = 4,365,403.24

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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.