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Finding the Fourth Proportional to 9,711, 14,565.06 and 3,136.32

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Solution

The fourth proportional to 9,711, 14,565.06 and 3,136.32 is: 4,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711 : 14,565.06 = 3,136.32 : x
  2. Step 2: Convert to fraction form
    9,711/14,565.06 = 3,136.32/x
  3. Step 3: Cross multiply
    9,711x = 14,565.06 × 3,136.32
  4. Step 4: Simplify right side
    9,711x = 45,680,688.98
  5. Step 5: Solve for x
    x = 45,680,688.98/9,711
  6. Step 6: Final answer
    x = 4,704.01

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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.