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Finding the Fourth Proportional to 47,812.76, 65,980.67 and 26,591.57

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Solution

The fourth proportional to 47,812.76, 65,980.67 and 26,591.57 is: 36,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,812.76 : 65,980.67 = 26,591.57 : x
  2. Step 2: Convert to fraction form
    47,812.76/65,980.67 = 26,591.57/x
  3. Step 3: Cross multiply
    47,812.76x = 65,980.67 × 26,591.57
  4. Step 4: Simplify right side
    47,812.76x = 1,754,529,142.09
  5. Step 5: Solve for x
    x = 1,754,529,142.09/47,812.76
  6. Step 6: Final answer
    x = 36,695.84

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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.