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Finding the Fourth Proportional to 34,775.68, 47,998.02 and 21,353.98

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Solution

The fourth proportional to 34,775.68, 47,998.02 and 21,353.98 is: 29,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,775.68 : 47,998.02 = 21,353.98 : x
  2. Step 2: Convert to fraction form
    34,775.68/47,998.02 = 21,353.98/x
  3. Step 3: Cross multiply
    34,775.68x = 47,998.02 × 21,353.98
  4. Step 4: Simplify right side
    34,775.68x = 1,024,948,759.12
  5. Step 5: Solve for x
    x = 1,024,948,759.12/34,775.68
  6. Step 6: Final answer
    x = 29,473.15

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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.