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Finding the Fourth Proportional to 47,573.04, 65,651.04 and 30,835.20

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Solution

The fourth proportional to 47,573.04, 65,651.04 and 30,835.20 is: 42,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,573.04 : 65,651.04 = 30,835.20 : x
  2. Step 2: Convert to fraction form
    47,573.04/65,651.04 = 30,835.20/x
  3. Step 3: Cross multiply
    47,573.04x = 65,651.04 × 30,835.20
  4. Step 4: Simplify right side
    47,573.04x = 2,024,362,948.61
  5. Step 5: Solve for x
    x = 2,024,362,948.61/47,573.04
  6. Step 6: Final answer
    x = 42,552.73

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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.