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Finding the Fourth Proportional to 47,153.67, 65,070.26 and 25,931.67

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Solution

The fourth proportional to 47,153.67, 65,070.26 and 25,931.67 is: 35,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,153.67 : 65,070.26 = 25,931.67 : x
  2. Step 2: Convert to fraction form
    47,153.67/65,070.26 = 25,931.67/x
  3. Step 3: Cross multiply
    47,153.67x = 65,070.26 × 25,931.67
  4. Step 4: Simplify right side
    47,153.67x = 1,687,380,379.48
  5. Step 5: Solve for x
    x = 1,687,380,379.48/47,153.67
  6. Step 6: Final answer
    x = 35,784.71

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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.