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Finding the Fourth Proportional to 83,622.60, 125,477.10 and 36,880.20

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Solution

The fourth proportional to 83,622.60, 125,477.10 and 36,880.20 is: 55,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,622.60 : 125,477.10 = 36,880.20 : x
  2. Step 2: Convert to fraction form
    83,622.60/125,477.10 = 36,880.20/x
  3. Step 3: Cross multiply
    83,622.60x = 125,477.10 × 36,880.20
  4. Step 4: Simplify right side
    83,622.60x = 4,627,620,543.42
  5. Step 5: Solve for x
    x = 4,627,620,543.42/83,622.60
  6. Step 6: Final answer
    x = 55,339.35

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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.