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Finding the Fourth Proportional to 7,060,160.82, 9,742,714.83 and 3,920,228.94

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Solution

The fourth proportional to 7,060,160.82, 9,742,714.83 and 3,920,228.94 is: 5,409,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060,160.82 : 9,742,714.83 = 3,920,228.94 : x
  2. Step 2: Convert to fraction form
    7,060,160.82/9,742,714.83 = 3,920,228.94/x
  3. Step 3: Cross multiply
    7,060,160.82x = 9,742,714.83 × 3,920,228.94
  4. Step 4: Simplify right side
    7,060,160.82x = 38,193,672,630,733.18
  5. Step 5: Solve for x
    x = 38,193,672,630,733.18/7,060,160.82
  6. Step 6: Final answer
    x = 5,409,745.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.