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Finding the Fourth Proportional to 22,971,915.13, 31,701,455.49 and 12,659,007.29

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Solution

The fourth proportional to 22,971,915.13, 31,701,455.49 and 12,659,007.29 is: 17,469,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,971,915.13 : 31,701,455.49 = 12,659,007.29 : x
  2. Step 2: Convert to fraction form
    22,971,915.13/31,701,455.49 = 12,659,007.29/x
  3. Step 3: Cross multiply
    22,971,915.13x = 31,701,455.49 × 12,659,007.29
  4. Step 4: Simplify right side
    22,971,915.13x = 401,308,956,088,225.44
  5. Step 5: Solve for x
    x = 401,308,956,088,225.44/22,971,915.13
  6. Step 6: Final answer
    x = 17,469,547.22

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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.