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Finding the Fourth Proportional to 29,973,687.86, 41,364,692.28 and 18,369,010.28

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Solution

The fourth proportional to 29,973,687.86, 41,364,692.28 and 18,369,010.28 is: 25,349,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,973,687.86 : 41,364,692.28 = 18,369,010.28 : x
  2. Step 2: Convert to fraction form
    29,973,687.86/41,364,692.28 = 18,369,010.28/x
  3. Step 3: Cross multiply
    29,973,687.86x = 41,364,692.28 × 18,369,010.28
  4. Step 4: Simplify right side
    29,973,687.86x = 759,828,457,720,356.75
  5. Step 5: Solve for x
    x = 759,828,457,720,356.75/29,973,687.86
  6. Step 6: Final answer
    x = 25,349,848.88

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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.