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Finding the Fourth Proportional to 46,425.92, 64,020.72 and 39,733.76

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Solution

The fourth proportional to 46,425.92, 64,020.72 and 39,733.76 is: 54,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,425.92 : 64,020.72 = 39,733.76 : x
  2. Step 2: Convert to fraction form
    46,425.92/64,020.72 = 39,733.76/x
  3. Step 3: Cross multiply
    46,425.92x = 64,020.72 × 39,733.76
  4. Step 4: Simplify right side
    46,425.92x = 2,543,783,923.51
  5. Step 5: Solve for x
    x = 2,543,783,923.51/46,425.92
  6. Step 6: Final answer
    x = 54,792.32

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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.