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Finding the Fourth Proportional to 9,907,717.05, 13,842,460.35 and 9,907,717.05

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Solution

The fourth proportional to 9,907,717.05, 13,842,460.35 and 9,907,717.05 is: 13,842,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907,717.05 : 13,842,460.35 = 9,907,717.05 : x
  2. Step 2: Convert to fraction form
    9,907,717.05/13,842,460.35 = 9,907,717.05/x
  3. Step 3: Cross multiply
    9,907,717.05x = 13,842,460.35 × 9,907,717.05
  4. Step 4: Simplify right side
    9,907,717.05x = 137,147,180,423,643.97
  5. Step 5: Solve for x
    x = 137,147,180,423,643.97/9,907,717.05
  6. Step 6: Final answer
    x = 13,842,460.35

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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.