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Finding the Fourth Proportional to 39,964,978.06, 55,153,006.91 and 24,492,074.54

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Solution

The fourth proportional to 39,964,978.06, 55,153,006.91 and 24,492,074.54 is: 33,799,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964,978.06 : 55,153,006.91 = 24,492,074.54 : x
  2. Step 2: Convert to fraction form
    39,964,978.06/55,153,006.91 = 24,492,074.54/x
  3. Step 3: Cross multiply
    39,964,978.06x = 55,153,006.91 × 24,492,074.54
  4. Step 4: Simplify right side
    39,964,978.06x = 1,350,811,556,344,855
  5. Step 5: Solve for x
    x = 1,350,811,556,344,855/39,964,978.06
  6. Step 6: Final answer
    x = 33,799,882.34

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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.