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Finding the Fourth Proportional to 37,928.70, 56,783.70 and 36,835.20

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Solution

The fourth proportional to 37,928.70, 56,783.70 and 36,835.20 is: 55,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,928.70 : 56,783.70 = 36,835.20 : x
  2. Step 2: Convert to fraction form
    37,928.70/56,783.70 = 36,835.20/x
  3. Step 3: Cross multiply
    37,928.70x = 56,783.70 × 36,835.20
  4. Step 4: Simplify right side
    37,928.70x = 2,091,638,946.24
  5. Step 5: Solve for x
    x = 2,091,638,946.24/37,928.70
  6. Step 6: Final answer
    x = 55,146.60

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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.