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Finding the Fourth Proportional to 47,681.76, 65,827.26 and 42,633.84

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Solution

The fourth proportional to 47,681.76, 65,827.26 and 42,633.84 is: 58,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,681.76 : 65,827.26 = 42,633.84 : x
  2. Step 2: Convert to fraction form
    47,681.76/65,827.26 = 42,633.84/x
  3. Step 3: Cross multiply
    47,681.76x = 65,827.26 × 42,633.84
  4. Step 4: Simplify right side
    47,681.76x = 2,806,468,870.48
  5. Step 5: Solve for x
    x = 2,806,468,870.48/47,681.76
  6. Step 6: Final answer
    x = 58,858.33

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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.