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Finding the Fourth Proportional to 24,907.76, 37,320.11 and 20,479.08

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Solution

The fourth proportional to 24,907.76, 37,320.11 and 20,479.08 is: 30,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,907.76 : 37,320.11 = 20,479.08 : x
  2. Step 2: Convert to fraction form
    24,907.76/37,320.11 = 20,479.08/x
  3. Step 3: Cross multiply
    24,907.76x = 37,320.11 × 20,479.08
  4. Step 4: Simplify right side
    24,907.76x = 764,281,518.30
  5. Step 5: Solve for x
    x = 764,281,518.30/24,907.76
  6. Step 6: Final answer
    x = 30,684.47

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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.