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Finding the Fourth Proportional to 30,124.80, 41,563.80 and 17,547.12

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Solution

The fourth proportional to 30,124.80, 41,563.80 and 17,547.12 is: 24,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.80 : 41,563.80 = 17,547.12 : x
  2. Step 2: Convert to fraction form
    30,124.80/41,563.80 = 17,547.12/x
  3. Step 3: Cross multiply
    30,124.80x = 41,563.80 × 17,547.12
  4. Step 4: Simplify right side
    30,124.80x = 729,324,986.26
  5. Step 5: Solve for x
    x = 729,324,986.26/30,124.80
  6. Step 6: Final answer
    x = 24,210.12

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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.