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Finding the Fourth Proportional to 9,338,977.70, 14,008,466.55 and 7,449,409.70

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Solution

The fourth proportional to 9,338,977.70, 14,008,466.55 and 7,449,409.70 is: 11,174,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338,977.70 : 14,008,466.55 = 7,449,409.70 : x
  2. Step 2: Convert to fraction form
    9,338,977.70/14,008,466.55 = 7,449,409.70/x
  3. Step 3: Cross multiply
    9,338,977.70x = 14,008,466.55 × 7,449,409.70
  4. Step 4: Simplify right side
    9,338,977.70x = 104,354,806,599,695.55
  5. Step 5: Solve for x
    x = 104,354,806,599,695.55/9,338,977.70
  6. Step 6: Final answer
    x = 11,174,114.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.