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Finding the Fourth Proportional to 58,059.20, 86,959.20 and 44,807.60

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Solution

The fourth proportional to 58,059.20, 86,959.20 and 44,807.60 is: 67,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,059.20 : 86,959.20 = 44,807.60 : x
  2. Step 2: Convert to fraction form
    58,059.20/86,959.20 = 44,807.60/x
  3. Step 3: Cross multiply
    58,059.20x = 86,959.20 × 44,807.60
  4. Step 4: Simplify right side
    58,059.20x = 3,896,433,049.92
  5. Step 5: Solve for x
    x = 3,896,433,049.92/58,059.20
  6. Step 6: Final answer
    x = 67,111.38

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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.