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Finding the Fourth Proportional to 9,681.59, 14,522.07 and 2,756.09

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Solution

The fourth proportional to 9,681.59, 14,522.07 and 2,756.09 is: 4,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.59 : 14,522.07 = 2,756.09 : x
  2. Step 2: Convert to fraction form
    9,681.59/14,522.07 = 2,756.09/x
  3. Step 3: Cross multiply
    9,681.59x = 14,522.07 × 2,756.09
  4. Step 4: Simplify right side
    9,681.59x = 40,024,069.63
  5. Step 5: Solve for x
    x = 40,024,069.63/9,681.59
  6. Step 6: Final answer
    x = 4,134.04

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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.