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Finding the Fourth Proportional to 9,888.88, 14,834.96 and 4,043.92

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Solution

The fourth proportional to 9,888.88, 14,834.96 and 4,043.92 is: 6,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.88 : 14,834.96 = 4,043.92 : x
  2. Step 2: Convert to fraction form
    9,888.88/14,834.96 = 4,043.92/x
  3. Step 3: Cross multiply
    9,888.88x = 14,834.96 × 4,043.92
  4. Step 4: Simplify right side
    9,888.88x = 59,991,391.44
  5. Step 5: Solve for x
    x = 59,991,391.44/9,888.88
  6. Step 6: Final answer
    x = 6,066.55

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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.