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Finding the Fourth Proportional to 30,606.50, 45,909.91 and 10,886.59

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Solution

The fourth proportional to 30,606.50, 45,909.91 and 10,886.59 is: 16,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.50 : 45,909.91 = 10,886.59 : x
  2. Step 2: Convert to fraction form
    30,606.50/45,909.91 = 10,886.59/x
  3. Step 3: Cross multiply
    30,606.50x = 45,909.91 × 10,886.59
  4. Step 4: Simplify right side
    30,606.50x = 499,802,404.16
  5. Step 5: Solve for x
    x = 499,802,404.16/30,606.50
  6. Step 6: Final answer
    x = 16,329.95

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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.