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Finding the Fourth Proportional to 58,684.79, 88,032.09 and 18,709.44

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Solution

The fourth proportional to 58,684.79, 88,032.09 and 18,709.44 is: 28,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,684.79 : 88,032.09 = 18,709.44 : x
  2. Step 2: Convert to fraction form
    58,684.79/88,032.09 = 18,709.44/x
  3. Step 3: Cross multiply
    58,684.79x = 88,032.09 × 18,709.44
  4. Step 4: Simplify right side
    58,684.79x = 1,647,031,105.93
  5. Step 5: Solve for x
    x = 1,647,031,105.93/58,684.79
  6. Step 6: Final answer
    x = 28,065.73

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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.