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Finding the Fourth Proportional to 58,339.75, 87,522.59 and 21,403.75

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Solution

The fourth proportional to 58,339.75, 87,522.59 and 21,403.75 is: 32,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,339.75 : 87,522.59 = 21,403.75 : x
  2. Step 2: Convert to fraction form
    58,339.75/87,522.59 = 21,403.75/x
  3. Step 3: Cross multiply
    58,339.75x = 87,522.59 × 21,403.75
  4. Step 4: Simplify right side
    58,339.75x = 1,873,311,528.69
  5. Step 5: Solve for x
    x = 1,873,311,528.69/58,339.75
  6. Step 6: Final answer
    x = 32,110.38

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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.