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Finding the Fourth Proportional to 13,608,465.90, 19,077,046.50 and 13,608,465.90

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Solution

The fourth proportional to 13,608,465.90, 19,077,046.50 and 13,608,465.90 is: 19,077,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,465.90 : 19,077,046.50 = 13,608,465.90 : x
  2. Step 2: Convert to fraction form
    13,608,465.90/19,077,046.50 = 13,608,465.90/x
  3. Step 3: Cross multiply
    13,608,465.90x = 19,077,046.50 × 13,608,465.90
  4. Step 4: Simplify right side
    13,608,465.90x = 259,609,336,767,964.34
  5. Step 5: Solve for x
    x = 259,609,336,767,964.34/13,608,465.90
  6. Step 6: Final answer
    x = 19,077,046.50

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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.