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Finding the Fourth Proportional to 9,691,648.10, 13,374,562.84 and 5,340,890.52

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Solution

The fourth proportional to 9,691,648.10, 13,374,562.84 and 5,340,890.52 is: 7,370,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,648.10 : 13,374,562.84 = 5,340,890.52 : x
  2. Step 2: Convert to fraction form
    9,691,648.10/13,374,562.84 = 5,340,890.52/x
  3. Step 3: Cross multiply
    9,691,648.10x = 13,374,562.84 × 5,340,890.52
  4. Step 4: Simplify right side
    9,691,648.10x = 71,432,075,881,300.27
  5. Step 5: Solve for x
    x = 71,432,075,881,300.27/9,691,648.10
  6. Step 6: Final answer
    x = 7,370,477.67

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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.