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Finding the Fourth Proportional to 13,304,319.15, 19,956,478.73 and 13,304,319.15

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Solution

The fourth proportional to 13,304,319.15, 19,956,478.73 and 13,304,319.15 is: 19,956,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304,319.15 : 19,956,478.73 = 13,304,319.15 : x
  2. Step 2: Convert to fraction form
    13,304,319.15/19,956,478.73 = 13,304,319.15/x
  3. Step 3: Cross multiply
    13,304,319.15x = 19,956,478.73 × 13,304,319.15
  4. Step 4: Simplify right side
    13,304,319.15x = 265,507,362,067,585.12
  5. Step 5: Solve for x
    x = 265,507,362,067,585.12/13,304,319.15
  6. Step 6: Final answer
    x = 19,956,478.73

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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.