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Finding the Fourth Proportional to 27,499.60, 41,254.53 and 12,698.74

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Solution

The fourth proportional to 27,499.60, 41,254.53 and 12,698.74 is: 19,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,499.60 : 41,254.53 = 12,698.74 : x
  2. Step 2: Convert to fraction form
    27,499.60/41,254.53 = 12,698.74/x
  3. Step 3: Cross multiply
    27,499.60x = 41,254.53 × 12,698.74
  4. Step 4: Simplify right side
    27,499.60x = 523,880,550.29
  5. Step 5: Solve for x
    x = 523,880,550.29/27,499.60
  6. Step 6: Final answer
    x = 19,050.48

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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.