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Finding the Fourth Proportional to 58,462.40, 87,693.60 and 51,550.40

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Solution

The fourth proportional to 58,462.40, 87,693.60 and 51,550.40 is: 77,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,462.40 : 87,693.60 = 51,550.40 : x
  2. Step 2: Convert to fraction form
    58,462.40/87,693.60 = 51,550.40/x
  3. Step 3: Cross multiply
    58,462.40x = 87,693.60 × 51,550.40
  4. Step 4: Simplify right side
    58,462.40x = 4,520,640,157.44
  5. Step 5: Solve for x
    x = 4,520,640,157.44/58,462.40
  6. Step 6: Final answer
    x = 77,325.60

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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.