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Finding the Fourth Proportional to 24,965,476.80, 37,448,215.20 and 21,186,340.80

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Solution

The fourth proportional to 24,965,476.80, 37,448,215.20 and 21,186,340.80 is: 31,779,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,965,476.80 : 37,448,215.20 = 21,186,340.80 : x
  2. Step 2: Convert to fraction form
    24,965,476.80/37,448,215.20 = 21,186,340.80/x
  3. Step 3: Cross multiply
    24,965,476.80x = 37,448,215.20 × 21,186,340.80
  4. Step 4: Simplify right side
    24,965,476.80x = 793,390,649,578,940.25
  5. Step 5: Solve for x
    x = 793,390,649,578,940.25/24,965,476.80
  6. Step 6: Final answer
    x = 31,779,511.20

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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.