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Finding the Fourth Proportional to 29,911.70, 44,867.55 and 17,445.80

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Solution

The fourth proportional to 29,911.70, 44,867.55 and 17,445.80 is: 26,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,911.70 : 44,867.55 = 17,445.80 : x
  2. Step 2: Convert to fraction form
    29,911.70/44,867.55 = 17,445.80/x
  3. Step 3: Cross multiply
    29,911.70x = 44,867.55 × 17,445.80
  4. Step 4: Simplify right side
    29,911.70x = 782,750,303.79
  5. Step 5: Solve for x
    x = 782,750,303.79/29,911.70
  6. Step 6: Final answer
    x = 26,168.70

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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.