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Finding the Fourth Proportional to 55,666.82, 83,482.41 and 18,216.74

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Solution

The fourth proportional to 55,666.82, 83,482.41 and 18,216.74 is: 27,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.82 : 83,482.41 = 18,216.74 : x
  2. Step 2: Convert to fraction form
    55,666.82/83,482.41 = 18,216.74/x
  3. Step 3: Cross multiply
    55,666.82x = 83,482.41 × 18,216.74
  4. Step 4: Simplify right side
    55,666.82x = 1,520,777,357.54
  5. Step 5: Solve for x
    x = 1,520,777,357.54/55,666.82
  6. Step 6: Final answer
    x = 27,319.28

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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.