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Finding the Fourth Proportional to 47,145.70, 65,060.20 and 25,925.02

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Solution

The fourth proportional to 47,145.70, 65,060.20 and 25,925.02 is: 35,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.70 : 65,060.20 = 25,925.02 : x
  2. Step 2: Convert to fraction form
    47,145.70/65,060.20 = 25,925.02/x
  3. Step 3: Cross multiply
    47,145.70x = 65,060.20 × 25,925.02
  4. Step 4: Simplify right side
    47,145.70x = 1,686,686,986.20
  5. Step 5: Solve for x
    x = 1,686,686,986.20/47,145.70
  6. Step 6: Final answer
    x = 35,776.05

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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.