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Finding the Fourth Proportional to 37,117.60, 55,627.80 and 14,912.80

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Solution

The fourth proportional to 37,117.60, 55,627.80 and 14,912.80 is: 22,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.60 : 55,627.80 = 14,912.80 : x
  2. Step 2: Convert to fraction form
    37,117.60/55,627.80 = 14,912.80/x
  3. Step 3: Cross multiply
    37,117.60x = 55,627.80 × 14,912.80
  4. Step 4: Simplify right side
    37,117.60x = 829,566,255.84
  5. Step 5: Solve for x
    x = 829,566,255.84/37,117.60
  6. Step 6: Final answer
    x = 22,349.67

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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.