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Finding the Fourth Proportional to 14,472,344.80, 21,689,854.80 and 11,089,784.80

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Solution

The fourth proportional to 14,472,344.80, 21,689,854.80 and 11,089,784.80 is: 16,620,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472,344.80 : 21,689,854.80 = 11,089,784.80 : x
  2. Step 2: Convert to fraction form
    14,472,344.80/21,689,854.80 = 11,089,784.80/x
  3. Step 3: Cross multiply
    14,472,344.80x = 21,689,854.80 × 11,089,784.80
  4. Step 4: Simplify right side
    14,472,344.80x = 240,535,822,075,247.06
  5. Step 5: Solve for x
    x = 240,535,822,075,247.06/14,472,344.80
  6. Step 6: Final answer
    x = 16,620,376.68

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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.