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Finding the Fourth Proportional to 27,245.76, 40,866.81 and 9,715.74

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Solution

The fourth proportional to 27,245.76, 40,866.81 and 9,715.74 is: 14,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.76 : 40,866.81 = 9,715.74 : x
  2. Step 2: Convert to fraction form
    27,245.76/40,866.81 = 9,715.74/x
  3. Step 3: Cross multiply
    27,245.76x = 40,866.81 × 9,715.74
  4. Step 4: Simplify right side
    27,245.76x = 397,051,300.59
  5. Step 5: Solve for x
    x = 397,051,300.59/27,245.76
  6. Step 6: Final answer
    x = 14,572.96

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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.