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Finding the Fourth Proportional to 29,973,692.67, 41,364,698.85 and 18,369,015.03

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Solution

The fourth proportional to 29,973,692.67, 41,364,698.85 and 18,369,015.03 is: 25,349,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,973,692.67 : 41,364,698.85 = 18,369,015.03 : x
  2. Step 2: Convert to fraction form
    29,973,692.67/41,364,698.85 = 18,369,015.03/x
  3. Step 3: Cross multiply
    29,973,692.67x = 41,364,698.85 × 18,369,015.03
  4. Step 4: Simplify right side
    29,973,692.67x = 759,828,774,887,073.75
  5. Step 5: Solve for x
    x = 759,828,774,887,073.75/29,973,692.67
  6. Step 6: Final answer
    x = 25,349,855.40

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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.