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Finding the Fourth Proportional to 62,953.96, 94,489.50 and 31,811.08

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Solution

The fourth proportional to 62,953.96, 94,489.50 and 31,811.08 is: 47,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,953.96 : 94,489.50 = 31,811.08 : x
  2. Step 2: Convert to fraction form
    62,953.96/94,489.50 = 31,811.08/x
  3. Step 3: Cross multiply
    62,953.96x = 94,489.50 × 31,811.08
  4. Step 4: Simplify right side
    62,953.96x = 3,005,813,043.66
  5. Step 5: Solve for x
    x = 3,005,813,043.66/62,953.96
  6. Step 6: Final answer
    x = 47,746.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.