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Finding the Fourth Proportional to 22,751,957.10, 34,127,935.65 and 8,385,335.40

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Solution

The fourth proportional to 22,751,957.10, 34,127,935.65 and 8,385,335.40 is: 12,578,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751,957.10 : 34,127,935.65 = 8,385,335.40 : x
  2. Step 2: Convert to fraction form
    22,751,957.10/34,127,935.65 = 8,385,335.40/x
  3. Step 3: Cross multiply
    22,751,957.10x = 34,127,935.65 × 8,385,335.40
  4. Step 4: Simplify right side
    22,751,957.10x = 286,174,186,934,867
  5. Step 5: Solve for x
    x = 286,174,186,934,867/22,751,957.10
  6. Step 6: Final answer
    x = 12,578,003.10

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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.