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Finding the Fourth Proportional to 19,352.50, 26,706.76 and 10,856.52

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Solution

The fourth proportional to 19,352.50, 26,706.76 and 10,856.52 is: 14,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.50 : 26,706.76 = 10,856.52 : x
  2. Step 2: Convert to fraction form
    19,352.50/26,706.76 = 10,856.52/x
  3. Step 3: Cross multiply
    19,352.50x = 26,706.76 × 10,856.52
  4. Step 4: Simplify right side
    19,352.50x = 289,942,340.54
  5. Step 5: Solve for x
    x = 289,942,340.54/19,352.50
  6. Step 6: Final answer
    x = 14,982.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.