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Finding the Fourth Proportional to 47,147.65, 65,065.49 and 25,928.89

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Solution

The fourth proportional to 47,147.65, 65,065.49 and 25,928.89 is: 35,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.65 : 65,065.49 = 25,928.89 : x
  2. Step 2: Convert to fraction form
    47,147.65/65,065.49 = 25,928.89/x
  3. Step 3: Cross multiply
    47,147.65x = 65,065.49 × 25,928.89
  4. Step 4: Simplify right side
    47,147.65x = 1,687,075,737.93
  5. Step 5: Solve for x
    x = 1,687,075,737.93/47,147.65
  6. Step 6: Final answer
    x = 35,782.82

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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.