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Finding the Fourth Proportional to 34,457,011.04, 47,550,679.44 and 19,978,721.12

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Solution

The fourth proportional to 34,457,011.04, 47,550,679.44 and 19,978,721.12 is: 27,570,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,457,011.04 : 47,550,679.44 = 19,978,721.12 : x
  2. Step 2: Convert to fraction form
    34,457,011.04/47,550,679.44 = 19,978,721.12/x
  3. Step 3: Cross multiply
    34,457,011.04x = 47,550,679.44 × 19,978,721.12
  4. Step 4: Simplify right side
    34,457,011.04x = 950,001,763,598,277.75
  5. Step 5: Solve for x
    x = 950,001,763,598,277.75/34,457,011.04
  6. Step 6: Final answer
    x = 27,570,637.58

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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.