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Finding the Fourth Proportional to 17,806,816.80, 26,711,002.80 and 5,839,552.80

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Solution

The fourth proportional to 17,806,816.80, 26,711,002.80 and 5,839,552.80 is: 8,759,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806,816.80 : 26,711,002.80 = 5,839,552.80 : x
  2. Step 2: Convert to fraction form
    17,806,816.80/26,711,002.80 = 5,839,552.80/x
  3. Step 3: Cross multiply
    17,806,816.80x = 26,711,002.80 × 5,839,552.80
  4. Step 4: Simplify right side
    17,806,816.80x = 155,980,311,191,547.84
  5. Step 5: Solve for x
    x = 155,980,311,191,547.84/17,806,816.80
  6. Step 6: Final answer
    x = 8,759,584.21

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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.