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Finding the Fourth Proportional to 52,817.32, 72,734.28 and 49,440.46

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Solution

The fourth proportional to 52,817.32, 72,734.28 and 49,440.46 is: 68,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,817.32 : 72,734.28 = 49,440.46 : x
  2. Step 2: Convert to fraction form
    52,817.32/72,734.28 = 49,440.46/x
  3. Step 3: Cross multiply
    52,817.32x = 72,734.28 × 49,440.46
  4. Step 4: Simplify right side
    52,817.32x = 3,596,016,260.97
  5. Step 5: Solve for x
    x = 3,596,016,260.97/52,817.32
  6. Step 6: Final answer
    x = 68,084.03

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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.