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Finding the Fourth Proportional to 22,605,675.89, 33,865,728.57 and 13,355,987.00

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Solution

The fourth proportional to 22,605,675.89, 33,865,728.57 and 13,355,987.00 is: 20,008,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605,675.89 : 33,865,728.57 = 13,355,987.00 : x
  2. Step 2: Convert to fraction form
    22,605,675.89/33,865,728.57 = 13,355,987.00/x
  3. Step 3: Cross multiply
    22,605,675.89x = 33,865,728.57 × 13,355,987.00
  4. Step 4: Simplify right side
    22,605,675.89x = 452,310,230,357,119.94
  5. Step 5: Solve for x
    x = 452,310,230,357,119.94/22,605,675.89
  6. Step 6: Final answer
    x = 20,008,701.91

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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.