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Finding the Fourth Proportional to 9,857.44, 14,788.72 and 4,926.88

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Solution

The fourth proportional to 9,857.44, 14,788.72 and 4,926.88 is: 7,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.44 : 14,788.72 = 4,926.88 : x
  2. Step 2: Convert to fraction form
    9,857.44/14,788.72 = 4,926.88/x
  3. Step 3: Cross multiply
    9,857.44x = 14,788.72 × 4,926.88
  4. Step 4: Simplify right side
    9,857.44x = 72,862,248.79
  5. Step 5: Solve for x
    x = 72,862,248.79/9,857.44
  6. Step 6: Final answer
    x = 7,391.60

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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.