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Finding the Fourth Proportional to 9,770.73, 13,483.61 and 5,736.77

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Solution

The fourth proportional to 9,770.73, 13,483.61 and 5,736.77 is: 7,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770.73 : 13,483.61 = 5,736.77 : x
  2. Step 2: Convert to fraction form
    9,770.73/13,483.61 = 5,736.77/x
  3. Step 3: Cross multiply
    9,770.73x = 13,483.61 × 5,736.77
  4. Step 4: Simplify right side
    9,770.73x = 77,352,349.97
  5. Step 5: Solve for x
    x = 77,352,349.97/9,770.73
  6. Step 6: Final answer
    x = 7,916.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.