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Finding the Fourth Proportional to 53,884.98, 74,341.17 and 53,801.91

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Solution

The fourth proportional to 53,884.98, 74,341.17 and 53,801.91 is: 74,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,884.98 : 74,341.17 = 53,801.91 : x
  2. Step 2: Convert to fraction form
    53,884.98/74,341.17 = 53,801.91/x
  3. Step 3: Cross multiply
    53,884.98x = 74,341.17 × 53,801.91
  4. Step 4: Simplify right side
    53,884.98x = 3,999,696,937.63
  5. Step 5: Solve for x
    x = 3,999,696,937.63/53,884.98
  6. Step 6: Final answer
    x = 74,226.56

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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.