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Finding the Fourth Proportional to 62,612.70, 86,405.76 and 33,932.40

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Solution

The fourth proportional to 62,612.70, 86,405.76 and 33,932.40 is: 46,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,612.70 : 86,405.76 = 33,932.40 : x
  2. Step 2: Convert to fraction form
    62,612.70/86,405.76 = 33,932.40/x
  3. Step 3: Cross multiply
    62,612.70x = 86,405.76 × 33,932.40
  4. Step 4: Simplify right side
    62,612.70x = 2,931,954,810.62
  5. Step 5: Solve for x
    x = 2,931,954,810.62/62,612.70
  6. Step 6: Final answer
    x = 46,826.84

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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.