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Finding the Fourth Proportional to 11,784,648.63, 16,253,601.96 and 7,656,010.01

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Solution

The fourth proportional to 11,784,648.63, 16,253,601.96 and 7,656,010.01 is: 10,559,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784,648.63 : 16,253,601.96 = 7,656,010.01 : x
  2. Step 2: Convert to fraction form
    11,784,648.63/16,253,601.96 = 7,656,010.01/x
  3. Step 3: Cross multiply
    11,784,648.63x = 16,253,601.96 × 7,656,010.01
  4. Step 4: Simplify right side
    11,784,648.63x = 124,437,739,304,315.62
  5. Step 5: Solve for x
    x = 124,437,739,304,315.62/11,784,648.63
  6. Step 6: Final answer
    x = 10,559,308.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.