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Finding the Fourth Proportional to 61,963,583.52, 85,509,272.62 and 34,085,693.64

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Solution

The fourth proportional to 61,963,583.52, 85,509,272.62 and 34,085,693.64 is: 47,037,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963,583.52 : 85,509,272.62 = 34,085,693.64 : x
  2. Step 2: Convert to fraction form
    61,963,583.52/85,509,272.62 = 34,085,693.64/x
  3. Step 3: Cross multiply
    61,963,583.52x = 85,509,272.62 × 34,085,693.64
  4. Step 4: Simplify right side
    61,963,583.52x = 2,914,642,869,904,560.50
  5. Step 5: Solve for x
    x = 2,914,642,869,904,560.50/61,963,583.52
  6. Step 6: Final answer
    x = 47,037,997.23

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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.