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Finding the Fourth Proportional to 59,378.40, 89,067.60 and 55,461.60

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Solution

The fourth proportional to 59,378.40, 89,067.60 and 55,461.60 is: 83,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,378.40 : 89,067.60 = 55,461.60 : x
  2. Step 2: Convert to fraction form
    59,378.40/89,067.60 = 55,461.60/x
  3. Step 3: Cross multiply
    59,378.40x = 89,067.60 × 55,461.60
  4. Step 4: Simplify right side
    59,378.40x = 4,939,831,604.16
  5. Step 5: Solve for x
    x = 4,939,831,604.16/59,378.40
  6. Step 6: Final answer
    x = 83,192.40

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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.