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Finding the Fourth Proportional to 53,658.81, 74,047.77 and 29,784.87

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Solution

The fourth proportional to 53,658.81, 74,047.77 and 29,784.87 is: 41,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,658.81 : 74,047.77 = 29,784.87 : x
  2. Step 2: Convert to fraction form
    53,658.81/74,047.77 = 29,784.87/x
  3. Step 3: Cross multiply
    53,658.81x = 74,047.77 × 29,784.87
  4. Step 4: Simplify right side
    53,658.81x = 2,205,503,203.24
  5. Step 5: Solve for x
    x = 2,205,503,203.24/53,658.81
  6. Step 6: Final answer
    x = 41,102.35

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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.