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Finding the Fourth Proportional to 58,255.20, 80,400.60 and 37,065.60

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Solution

The fourth proportional to 58,255.20, 80,400.60 and 37,065.60 is: 51,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,255.20 : 80,400.60 = 37,065.60 : x
  2. Step 2: Convert to fraction form
    58,255.20/80,400.60 = 37,065.60/x
  3. Step 3: Cross multiply
    58,255.20x = 80,400.60 × 37,065.60
  4. Step 4: Simplify right side
    58,255.20x = 2,980,096,479.36
  5. Step 5: Solve for x
    x = 2,980,096,479.36/58,255.20
  6. Step 6: Final answer
    x = 51,155.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.