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Finding the Fourth Proportional to 62,810.20, 94,288.20 and 37,878.40

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Solution

The fourth proportional to 62,810.20, 94,288.20 and 37,878.40 is: 56,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,810.20 : 94,288.20 = 37,878.40 : x
  2. Step 2: Convert to fraction form
    62,810.20/94,288.20 = 37,878.40/x
  3. Step 3: Cross multiply
    62,810.20x = 94,288.20 × 37,878.40
  4. Step 4: Simplify right side
    62,810.20x = 3,571,486,154.88
  5. Step 5: Solve for x
    x = 3,571,486,154.88/62,810.20
  6. Step 6: Final answer
    x = 56,861.56

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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.