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Finding the Fourth Proportional to 55,476.72, 83,173.50 and 18,014.40

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Solution

The fourth proportional to 55,476.72, 83,173.50 and 18,014.40 is: 27,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,476.72 : 83,173.50 = 18,014.40 : x
  2. Step 2: Convert to fraction form
    55,476.72/83,173.50 = 18,014.40/x
  3. Step 3: Cross multiply
    55,476.72x = 83,173.50 × 18,014.40
  4. Step 4: Simplify right side
    55,476.72x = 1,498,320,698.40
  5. Step 5: Solve for x
    x = 1,498,320,698.40/55,476.72
  6. Step 6: Final answer
    x = 27,008.10

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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.