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Finding the Fourth Proportional to 9,579.84, 14,369.76 and 2,654.16

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Solution

The fourth proportional to 9,579.84, 14,369.76 and 2,654.16 is: 3,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.84 : 14,369.76 = 2,654.16 : x
  2. Step 2: Convert to fraction form
    9,579.84/14,369.76 = 2,654.16/x
  3. Step 3: Cross multiply
    9,579.84x = 14,369.76 × 2,654.16
  4. Step 4: Simplify right side
    9,579.84x = 38,139,642.20
  5. Step 5: Solve for x
    x = 38,139,642.20/9,579.84
  6. Step 6: Final answer
    x = 3,981.24

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Similar ratio
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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.