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Finding the Fourth Proportional to 47,360.70, 65,370.65 and 27,219.65

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Solution

The fourth proportional to 47,360.70, 65,370.65 and 27,219.65 is: 37,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,360.70 : 65,370.65 = 27,219.65 : x
  2. Step 2: Convert to fraction form
    47,360.70/65,370.65 = 27,219.65/x
  3. Step 3: Cross multiply
    47,360.70x = 65,370.65 × 27,219.65
  4. Step 4: Simplify right side
    47,360.70x = 1,779,365,750.32
  5. Step 5: Solve for x
    x = 1,779,365,750.32/47,360.70
  6. Step 6: Final answer
    x = 37,570.51

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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.