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Finding the Fourth Proportional to 30,752.84, 42,441.08 and 17,141.76

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Solution

The fourth proportional to 30,752.84, 42,441.08 and 17,141.76 is: 23,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.84 : 42,441.08 = 17,141.76 : x
  2. Step 2: Convert to fraction form
    30,752.84/42,441.08 = 17,141.76/x
  3. Step 3: Cross multiply
    30,752.84x = 42,441.08 × 17,141.76
  4. Step 4: Simplify right side
    30,752.84x = 727,514,807.50
  5. Step 5: Solve for x
    x = 727,514,807.50/30,752.84
  6. Step 6: Final answer
    x = 23,656.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.