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Finding the Fourth Proportional to 37,281.60, 55,922.40 and 10,986.30

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Solution

The fourth proportional to 37,281.60, 55,922.40 and 10,986.30 is: 16,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,281.60 : 55,922.40 = 10,986.30 : x
  2. Step 2: Convert to fraction form
    37,281.60/55,922.40 = 10,986.30/x
  3. Step 3: Cross multiply
    37,281.60x = 55,922.40 × 10,986.30
  4. Step 4: Simplify right side
    37,281.60x = 614,380,263.12
  5. Step 5: Solve for x
    x = 614,380,263.12/37,281.60
  6. Step 6: Final answer
    x = 16,479.45

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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.