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Finding the Fourth Proportional to 38,651,606.88, 57,975,897.16 and 13,092,616.28

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Solution

The fourth proportional to 38,651,606.88, 57,975,897.16 and 13,092,616.28 is: 19,638,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,651,606.88 : 57,975,897.16 = 13,092,616.28 : x
  2. Step 2: Convert to fraction form
    38,651,606.88/57,975,897.16 = 13,092,616.28/x
  3. Step 3: Cross multiply
    38,651,606.88x = 57,975,897.16 × 13,092,616.28
  4. Step 4: Simplify right side
    38,651,606.88x = 759,056,175,004,621.62
  5. Step 5: Solve for x
    x = 759,056,175,004,621.62/38,651,606.88
  6. Step 6: Final answer
    x = 19,638,411.86

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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.