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Finding the Fourth Proportional to 55,805.90, 83,722.35 and 16,364.30

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Solution

The fourth proportional to 55,805.90, 83,722.35 and 16,364.30 is: 24,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.90 : 83,722.35 = 16,364.30 : x
  2. Step 2: Convert to fraction form
    55,805.90/83,722.35 = 16,364.30/x
  3. Step 3: Cross multiply
    55,805.90x = 83,722.35 × 16,364.30
  4. Step 4: Simplify right side
    55,805.90x = 1,370,057,652.11
  5. Step 5: Solve for x
    x = 1,370,057,652.11/55,805.90
  6. Step 6: Final answer
    x = 24,550.41

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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.