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Finding the Fourth Proportional to 14,854,561.60, 20,810,558 and 14,854,561.60

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Solution

The fourth proportional to 14,854,561.60, 20,810,558 and 14,854,561.60 is: 20,810,558

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854,561.60 : 20,810,558 = 14,854,561.60 : x
  2. Step 2: Convert to fraction form
    14,854,561.60/20,810,558 = 14,854,561.60/x
  3. Step 3: Cross multiply
    14,854,561.60x = 20,810,558 × 14,854,561.60
  4. Step 4: Simplify right side
    14,854,561.60x = 309,131,715,741,372.81
  5. Step 5: Solve for x
    x = 309,131,715,741,372.81/14,854,561.60
  6. Step 6: Final answer
    x = 20,810,558

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.