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Finding the Fourth Proportional to 7,310,505.60, 10,965,758.40 and 7,184,534.40

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Solution

The fourth proportional to 7,310,505.60, 10,965,758.40 and 7,184,534.40 is: 10,776,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310,505.60 : 10,965,758.40 = 7,184,534.40 : x
  2. Step 2: Convert to fraction form
    7,310,505.60/10,965,758.40 = 7,184,534.40/x
  3. Step 3: Cross multiply
    7,310,505.60x = 10,965,758.40 × 7,184,534.40
  4. Step 4: Simplify right side
    7,310,505.60x = 78,783,868,446,888.97
  5. Step 5: Solve for x
    x = 78,783,868,446,888.97/7,310,505.60
  6. Step 6: Final answer
    x = 10,776,801.60

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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.