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Finding the Fourth Proportional to 30,626.10, 45,930.02 and 11,909.04

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Solution

The fourth proportional to 30,626.10, 45,930.02 and 11,909.04 is: 17,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.10 : 45,930.02 = 11,909.04 : x
  2. Step 2: Convert to fraction form
    30,626.10/45,930.02 = 11,909.04/x
  3. Step 3: Cross multiply
    30,626.10x = 45,930.02 × 11,909.04
  4. Step 4: Simplify right side
    30,626.10x = 546,982,445.38
  5. Step 5: Solve for x
    x = 546,982,445.38/30,626.10
  6. Step 6: Final answer
    x = 17,860.01

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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.