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Finding the Fourth Proportional to 67,632.72, 93,322.44 and 43,760.40

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Solution

The fourth proportional to 67,632.72, 93,322.44 and 43,760.40 is: 60,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,632.72 : 93,322.44 = 43,760.40 : x
  2. Step 2: Convert to fraction form
    67,632.72/93,322.44 = 43,760.40/x
  3. Step 3: Cross multiply
    67,632.72x = 93,322.44 × 43,760.40
  4. Step 4: Simplify right side
    67,632.72x = 4,083,827,303.38
  5. Step 5: Solve for x
    x = 4,083,827,303.38/67,632.72
  6. Step 6: Final answer
    x = 60,382.42

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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.