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Finding the Fourth Proportional to 10,757.80, 16,136.70 and 7,059.16

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Solution

The fourth proportional to 10,757.80, 16,136.70 and 7,059.16 is: 10,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757.80 : 16,136.70 = 7,059.16 : x
  2. Step 2: Convert to fraction form
    10,757.80/16,136.70 = 7,059.16/x
  3. Step 3: Cross multiply
    10,757.80x = 16,136.70 × 7,059.16
  4. Step 4: Simplify right side
    10,757.80x = 113,911,547.17
  5. Step 5: Solve for x
    x = 113,911,547.17/10,757.80
  6. Step 6: Final answer
    x = 10,588.74

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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.