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Finding the Fourth Proportional to 30,404.60, 45,606.90 and 17,063.90

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Solution

The fourth proportional to 30,404.60, 45,606.90 and 17,063.90 is: 25,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404.60 : 45,606.90 = 17,063.90 : x
  2. Step 2: Convert to fraction form
    30,404.60/45,606.90 = 17,063.90/x
  3. Step 3: Cross multiply
    30,404.60x = 45,606.90 × 17,063.90
  4. Step 4: Simplify right side
    30,404.60x = 778,231,580.91
  5. Step 5: Solve for x
    x = 778,231,580.91/30,404.60
  6. Step 6: Final answer
    x = 25,595.85

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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.