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Finding the Fourth Proportional to 13,567,950.80, 19,045,519.60 and 13,567,950.80

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Solution

The fourth proportional to 13,567,950.80, 19,045,519.60 and 13,567,950.80 is: 19,045,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,950.80 : 19,045,519.60 = 13,567,950.80 : x
  2. Step 2: Convert to fraction form
    13,567,950.80/19,045,519.60 = 13,567,950.80/x
  3. Step 3: Cross multiply
    13,567,950.80x = 19,045,519.60 × 13,567,950.80
  4. Step 4: Simplify right side
    13,567,950.80x = 258,408,672,893,235.72
  5. Step 5: Solve for x
    x = 258,408,672,893,235.72/13,567,950.80
  6. Step 6: Final answer
    x = 19,045,519.60

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Double scale
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1.5x scale

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.