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Finding the Fourth Proportional to 59,400.83, 89,007.48 and 21,909.30

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Solution

The fourth proportional to 59,400.83, 89,007.48 and 21,909.30 is: 32,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,400.83 : 89,007.48 = 21,909.30 : x
  2. Step 2: Convert to fraction form
    59,400.83/89,007.48 = 21,909.30/x
  3. Step 3: Cross multiply
    59,400.83x = 89,007.48 × 21,909.30
  4. Step 4: Simplify right side
    59,400.83x = 1,950,091,581.56
  5. Step 5: Solve for x
    x = 1,950,091,581.56/59,400.83
  6. Step 6: Final answer
    x = 32,829.37

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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.