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Finding the Fourth Proportional to 47,111.44, 65,013.04 and 25,890.25

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Solution

The fourth proportional to 47,111.44, 65,013.04 and 25,890.25 is: 35,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.44 : 65,013.04 = 25,890.25 : x
  2. Step 2: Convert to fraction form
    47,111.44/65,013.04 = 25,890.25/x
  3. Step 3: Cross multiply
    47,111.44x = 65,013.04 × 25,890.25
  4. Step 4: Simplify right side
    47,111.44x = 1,683,203,858.86
  5. Step 5: Solve for x
    x = 1,683,203,858.86/47,111.44
  6. Step 6: Final answer
    x = 35,728.13

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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.