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Finding the Fourth Proportional to 58,775.60, 88,163.40 and 19,338.80

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Solution

The fourth proportional to 58,775.60, 88,163.40 and 19,338.80 is: 29,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,775.60 : 88,163.40 = 19,338.80 : x
  2. Step 2: Convert to fraction form
    58,775.60/88,163.40 = 19,338.80/x
  3. Step 3: Cross multiply
    58,775.60x = 88,163.40 × 19,338.80
  4. Step 4: Simplify right side
    58,775.60x = 1,704,974,359.92
  5. Step 5: Solve for x
    x = 1,704,974,359.92/58,775.60
  6. Step 6: Final answer
    x = 29,008.20

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1.5x scale

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.