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Finding the Fourth Proportional to 47,900.93, 71,862.56 and 14,620.93

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Solution

The fourth proportional to 47,900.93, 71,862.56 and 14,620.93 is: 21,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.93 : 71,862.56 = 14,620.93 : x
  2. Step 2: Convert to fraction form
    47,900.93/71,862.56 = 14,620.93/x
  3. Step 3: Cross multiply
    47,900.93x = 71,862.56 × 14,620.93
  4. Step 4: Simplify right side
    47,900.93x = 1,050,697,459.38
  5. Step 5: Solve for x
    x = 1,050,697,459.38/47,900.93
  6. Step 6: Final answer
    x = 21,934.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.