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Finding the Fourth Proportional to 29,939,910.80, 44,909,866.20 and 18,602,502.80

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Solution

The fourth proportional to 29,939,910.80, 44,909,866.20 and 18,602,502.80 is: 27,903,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,939,910.80 : 44,909,866.20 = 18,602,502.80 : x
  2. Step 2: Convert to fraction form
    29,939,910.80/44,909,866.20 = 18,602,502.80/x
  3. Step 3: Cross multiply
    29,939,910.80x = 44,909,866.20 × 18,602,502.80
  4. Step 4: Simplify right side
    29,939,910.80x = 835,435,911,733,125.50
  5. Step 5: Solve for x
    x = 835,435,911,733,125.50/29,939,910.80
  6. Step 6: Final answer
    x = 27,903,754.20

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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.