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Finding the Fourth Proportional to 9,453.60, 13,063.95 and 7,091.64

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Solution

The fourth proportional to 9,453.60, 13,063.95 and 7,091.64 is: 9,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.60 : 13,063.95 = 7,091.64 : x
  2. Step 2: Convert to fraction form
    9,453.60/13,063.95 = 7,091.64/x
  3. Step 3: Cross multiply
    9,453.60x = 13,063.95 × 7,091.64
  4. Step 4: Simplify right side
    9,453.60x = 92,644,830.38
  5. Step 5: Solve for x
    x = 92,644,830.38/9,453.60
  6. Step 6: Final answer
    x = 9,799.95

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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.