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Finding the Fourth Proportional to 28,019.76, 41,824.60 and 24,698.40

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Solution

The fourth proportional to 28,019.76, 41,824.60 and 24,698.40 is: 36,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.76 : 41,824.60 = 24,698.40 : x
  2. Step 2: Convert to fraction form
    28,019.76/41,824.60 = 24,698.40/x
  3. Step 3: Cross multiply
    28,019.76x = 41,824.60 × 24,698.40
  4. Step 4: Simplify right side
    28,019.76x = 1,033,000,700.64
  5. Step 5: Solve for x
    x = 1,033,000,700.64/28,019.76
  6. Step 6: Final answer
    x = 36,866.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.