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Finding the Fourth Proportional to 32,805.55, 49,209.84 and 10,620.67

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Solution

The fourth proportional to 32,805.55, 49,209.84 and 10,620.67 is: 15,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,805.55 : 49,209.84 = 10,620.67 : x
  2. Step 2: Convert to fraction form
    32,805.55/49,209.84 = 10,620.67/x
  3. Step 3: Cross multiply
    32,805.55x = 49,209.84 × 10,620.67
  4. Step 4: Simplify right side
    32,805.55x = 522,641,471.39
  5. Step 5: Solve for x
    x = 522,641,471.39/32,805.55
  6. Step 6: Final answer
    x = 15,931.50

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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.