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Finding the Fourth Proportional to 6,222.61, 9,333.80 and 1,542.63

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Solution

The fourth proportional to 6,222.61, 9,333.80 and 1,542.63 is: 2,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.61 : 9,333.80 = 1,542.63 : x
  2. Step 2: Convert to fraction form
    6,222.61/9,333.80 = 1,542.63/x
  3. Step 3: Cross multiply
    6,222.61x = 9,333.80 × 1,542.63
  4. Step 4: Simplify right side
    6,222.61x = 14,398,632.97
  5. Step 5: Solve for x
    x = 14,398,632.97/6,222.61
  6. Step 6: Final answer
    x = 2,313.92

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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.