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Finding the Fourth Proportional to 52,207.46, 72,009.06 and 47,914.38

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Solution

The fourth proportional to 52,207.46, 72,009.06 and 47,914.38 is: 66,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,207.46 : 72,009.06 = 47,914.38 : x
  2. Step 2: Convert to fraction form
    52,207.46/72,009.06 = 47,914.38/x
  3. Step 3: Cross multiply
    52,207.46x = 72,009.06 × 47,914.38
  4. Step 4: Simplify right side
    52,207.46x = 3,450,268,864.67
  5. Step 5: Solve for x
    x = 3,450,268,864.67/52,207.46
  6. Step 6: Final answer
    x = 66,087.67

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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.