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Finding the Fourth Proportional to 12,342.93, 18,506.18 and 6,798.89

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Solution

The fourth proportional to 12,342.93, 18,506.18 and 6,798.89 is: 10,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.93 : 18,506.18 = 6,798.89 : x
  2. Step 2: Convert to fraction form
    12,342.93/18,506.18 = 6,798.89/x
  3. Step 3: Cross multiply
    12,342.93x = 18,506.18 × 6,798.89
  4. Step 4: Simplify right side
    12,342.93x = 125,821,406.61
  5. Step 5: Solve for x
    x = 125,821,406.61/12,342.93
  6. Step 6: Final answer
    x = 10,193.80

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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.