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Finding the Fourth Proportional to 9,324,750.96, 12,864,742.88 and 5,651,017.28

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Solution

The fourth proportional to 9,324,750.96, 12,864,742.88 and 5,651,017.28 is: 7,796,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324,750.96 : 12,864,742.88 = 5,651,017.28 : x
  2. Step 2: Convert to fraction form
    9,324,750.96/12,864,742.88 = 5,651,017.28/x
  3. Step 3: Cross multiply
    9,324,750.96x = 12,864,742.88 × 5,651,017.28
  4. Step 4: Simplify right side
    9,324,750.96x = 72,698,884,317,636.97
  5. Step 5: Solve for x
    x = 72,698,884,317,636.97/9,324,750.96
  6. Step 6: Final answer
    x = 7,796,335.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.