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Finding the Fourth Proportional to 7,907,711.70, 11,861,567.55 and 4,716,441.30

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Solution

The fourth proportional to 7,907,711.70, 11,861,567.55 and 4,716,441.30 is: 7,074,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907,711.70 : 11,861,567.55 = 4,716,441.30 : x
  2. Step 2: Convert to fraction form
    7,907,711.70/11,861,567.55 = 4,716,441.30/x
  3. Step 3: Cross multiply
    7,907,711.70x = 11,861,567.55 × 4,716,441.30
  4. Step 4: Simplify right side
    7,907,711.70x = 55,944,387,075,559.81
  5. Step 5: Solve for x
    x = 55,944,387,075,559.81/7,907,711.70
  6. Step 6: Final answer
    x = 7,074,661.95

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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.