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Finding the Fourth Proportional to 17,885,552.80, 26,796,836.40 and 14,673,287.20

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Solution

The fourth proportional to 17,885,552.80, 26,796,836.40 and 14,673,287.20 is: 21,984,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885,552.80 : 26,796,836.40 = 14,673,287.20 : x
  2. Step 2: Convert to fraction form
    17,885,552.80/26,796,836.40 = 14,673,287.20/x
  3. Step 3: Cross multiply
    17,885,552.80x = 26,796,836.40 × 14,673,287.20
  4. Step 4: Simplify right side
    17,885,552.80x = 393,197,676,548,614.06
  5. Step 5: Solve for x
    x = 393,197,676,548,614.06/17,885,552.80
  6. Step 6: Final answer
    x = 21,984,094.14

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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.