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Finding the Fourth Proportional to 58,280.44, 87,466.40 and 40,635.40

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Solution

The fourth proportional to 58,280.44, 87,466.40 and 40,635.40 is: 60,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,280.44 : 87,466.40 = 40,635.40 : x
  2. Step 2: Convert to fraction form
    58,280.44/87,466.40 = 40,635.40/x
  3. Step 3: Cross multiply
    58,280.44x = 87,466.40 × 40,635.40
  4. Step 4: Simplify right side
    58,280.44x = 3,554,232,150.56
  5. Step 5: Solve for x
    x = 3,554,232,150.56/58,280.44
  6. Step 6: Final answer
    x = 60,984.99

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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.