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Finding the Fourth Proportional to 47,153.64, 65,069.61 and 25,928.82

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Solution

The fourth proportional to 47,153.64, 65,069.61 and 25,928.82 is: 35,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,153.64 : 65,069.61 = 25,928.82 : x
  2. Step 2: Convert to fraction form
    47,153.64/65,069.61 = 25,928.82/x
  3. Step 3: Cross multiply
    47,153.64x = 65,069.61 × 25,928.82
  4. Step 4: Simplify right side
    47,153.64x = 1,687,178,205.16
  5. Step 5: Solve for x
    x = 1,687,178,205.16/47,153.64
  6. Step 6: Final answer
    x = 35,780.44

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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.