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Finding the Fourth Proportional to 58,438.99, 87,627.27 and 30,330.73

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Solution

The fourth proportional to 58,438.99, 87,627.27 and 30,330.73 is: 45,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.99 : 87,627.27 = 30,330.73 : x
  2. Step 2: Convert to fraction form
    58,438.99/87,627.27 = 30,330.73/x
  3. Step 3: Cross multiply
    58,438.99x = 87,627.27 × 30,330.73
  4. Step 4: Simplify right side
    58,438.99x = 2,657,799,067.01
  5. Step 5: Solve for x
    x = 2,657,799,067.01/58,438.99
  6. Step 6: Final answer
    x = 45,479.89

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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.