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Finding the Fourth Proportional to 9,956.10, 14,946.30 and 9,883.20

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Solution

The fourth proportional to 9,956.10, 14,946.30 and 9,883.20 is: 14,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.10 : 14,946.30 = 9,883.20 : x
  2. Step 2: Convert to fraction form
    9,956.10/14,946.30 = 9,883.20/x
  3. Step 3: Cross multiply
    9,956.10x = 14,946.30 × 9,883.20
  4. Step 4: Simplify right side
    9,956.10x = 147,717,272.16
  5. Step 5: Solve for x
    x = 147,717,272.16/9,956.10
  6. Step 6: Final answer
    x = 14,836.86

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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.