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Finding the Fourth Proportional to 5,277.69, 7,916.54 and 1,767.02

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Solution

The fourth proportional to 5,277.69, 7,916.54 and 1,767.02 is: 2,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.69 : 7,916.54 = 1,767.02 : x
  2. Step 2: Convert to fraction form
    5,277.69/7,916.54 = 1,767.02/x
  3. Step 3: Cross multiply
    5,277.69x = 7,916.54 × 1,767.02
  4. Step 4: Simplify right side
    5,277.69x = 13,988,636.09
  5. Step 5: Solve for x
    x = 13,988,636.09/5,277.69
  6. Step 6: Final answer
    x = 2,650.52

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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.