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Finding the Fourth Proportional to 56,555.80, 84,812.10 and 17,099.80

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Solution

The fourth proportional to 56,555.80, 84,812.10 and 17,099.80 is: 25,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,555.80 : 84,812.10 = 17,099.80 : x
  2. Step 2: Convert to fraction form
    56,555.80/84,812.10 = 17,099.80/x
  3. Step 3: Cross multiply
    56,555.80x = 84,812.10 × 17,099.80
  4. Step 4: Simplify right side
    56,555.80x = 1,450,269,947.58
  5. Step 5: Solve for x
    x = 1,450,269,947.58/56,555.80
  6. Step 6: Final answer
    x = 25,643.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.