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Finding the Fourth Proportional to 49,009.32, 67,639.32 and 47,674.98

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Solution

The fourth proportional to 49,009.32, 67,639.32 and 47,674.98 is: 65,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,009.32 : 67,639.32 = 47,674.98 : x
  2. Step 2: Convert to fraction form
    49,009.32/67,639.32 = 47,674.98/x
  3. Step 3: Cross multiply
    49,009.32x = 67,639.32 × 47,674.98
  4. Step 4: Simplify right side
    49,009.32x = 3,224,703,228.21
  5. Step 5: Solve for x
    x = 3,224,703,228.21/49,009.32
  6. Step 6: Final answer
    x = 65,797.75

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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.