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Finding the Fourth Proportional to 55,562.84, 83,349.30 and 18,113.30

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Solution

The fourth proportional to 55,562.84, 83,349.30 and 18,113.30 is: 27,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.84 : 83,349.30 = 18,113.30 : x
  2. Step 2: Convert to fraction form
    55,562.84/83,349.30 = 18,113.30/x
  3. Step 3: Cross multiply
    55,562.84x = 83,349.30 × 18,113.30
  4. Step 4: Simplify right side
    55,562.84x = 1,509,730,458.94
  5. Step 5: Solve for x
    x = 1,509,730,458.94/55,562.84
  6. Step 6: Final answer
    x = 27,171.59

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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.