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Finding the Fourth Proportional to 62,321.43, 93,482.69 and 20,768.43

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Solution

The fourth proportional to 62,321.43, 93,482.69 and 20,768.43 is: 31,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,321.43 : 93,482.69 = 20,768.43 : x
  2. Step 2: Convert to fraction form
    62,321.43/93,482.69 = 20,768.43/x
  3. Step 3: Cross multiply
    62,321.43x = 93,482.69 × 20,768.43
  4. Step 4: Simplify right side
    62,321.43x = 1,941,488,599.63
  5. Step 5: Solve for x
    x = 1,941,488,599.63/62,321.43
  6. Step 6: Final answer
    x = 31,152.82

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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.