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Finding the Fourth Proportional to 37,701.60, 56,595.60 and 20,162.40

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Solution

The fourth proportional to 37,701.60, 56,595.60 and 20,162.40 is: 30,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,701.60 : 56,595.60 = 20,162.40 : x
  2. Step 2: Convert to fraction form
    37,701.60/56,595.60 = 20,162.40/x
  3. Step 3: Cross multiply
    37,701.60x = 56,595.60 × 20,162.40
  4. Step 4: Simplify right side
    37,701.60x = 1,141,103,125.44
  5. Step 5: Solve for x
    x = 1,141,103,125.44/37,701.60
  6. Step 6: Final answer
    x = 30,266.70

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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.