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Finding the Fourth Proportional to 67,332.80, 93,007.20 and 54,633.44

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Solution

The fourth proportional to 67,332.80, 93,007.20 and 54,633.44 is: 75,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,332.80 : 93,007.20 = 54,633.44 : x
  2. Step 2: Convert to fraction form
    67,332.80/93,007.20 = 54,633.44/x
  3. Step 3: Cross multiply
    67,332.80x = 93,007.20 × 54,633.44
  4. Step 4: Simplify right side
    67,332.80x = 5,081,303,280.77
  5. Step 5: Solve for x
    x = 5,081,303,280.77/67,332.80
  6. Step 6: Final answer
    x = 75,465.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.