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Finding the Fourth Proportional to 29,388,701.20, 44,083,051.80 and 21,830,429.20

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Solution

The fourth proportional to 29,388,701.20, 44,083,051.80 and 21,830,429.20 is: 32,745,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388,701.20 : 44,083,051.80 = 21,830,429.20 : x
  2. Step 2: Convert to fraction form
    29,388,701.20/44,083,051.80 = 21,830,429.20/x
  3. Step 3: Cross multiply
    29,388,701.20x = 44,083,051.80 × 21,830,429.20
  4. Step 4: Simplify right side
    29,388,701.20x = 962,351,941,239,832.50
  5. Step 5: Solve for x
    x = 962,351,941,239,832.50/29,388,701.20
  6. Step 6: Final answer
    x = 32,745,643.80

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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.