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Finding the Fourth Proportional to 9,661.30, 14,496.60 and 4,728.25

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Solution

The fourth proportional to 9,661.30, 14,496.60 and 4,728.25 is: 7,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.30 : 14,496.60 = 4,728.25 : x
  2. Step 2: Convert to fraction form
    9,661.30/14,496.60 = 4,728.25/x
  3. Step 3: Cross multiply
    9,661.30x = 14,496.60 × 4,728.25
  4. Step 4: Simplify right side
    9,661.30x = 68,543,548.95
  5. Step 5: Solve for x
    x = 68,543,548.95/9,661.30
  6. Step 6: Final answer
    x = 7,094.65

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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.