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Finding the Fourth Proportional to 47,164.78, 65,087.76 and 25,944.40

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Solution

The fourth proportional to 47,164.78, 65,087.76 and 25,944.40 is: 35,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,164.78 : 65,087.76 = 25,944.40 : x
  2. Step 2: Convert to fraction form
    47,164.78/65,087.76 = 25,944.40/x
  3. Step 3: Cross multiply
    47,164.78x = 65,087.76 × 25,944.40
  4. Step 4: Simplify right side
    47,164.78x = 1,688,662,880.54
  5. Step 5: Solve for x
    x = 1,688,662,880.54/47,164.78
  6. Step 6: Final answer
    x = 35,803.47

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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.