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Finding the Fourth Proportional to 62,688.96, 86,507.46 and 35,827.92

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Solution

The fourth proportional to 62,688.96, 86,507.46 and 35,827.92 is: 49,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,688.96 : 86,507.46 = 35,827.92 : x
  2. Step 2: Convert to fraction form
    62,688.96/86,507.46 = 35,827.92/x
  3. Step 3: Cross multiply
    62,688.96x = 86,507.46 × 35,827.92
  4. Step 4: Simplify right side
    62,688.96x = 3,099,382,356.28
  5. Step 5: Solve for x
    x = 3,099,382,356.28/62,688.96
  6. Step 6: Final answer
    x = 49,440.64

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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.