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Finding the Fourth Proportional to 9,661.30, 14,493.30 and 4,114.60

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Solution

The fourth proportional to 9,661.30, 14,493.30 and 4,114.60 is: 6,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.30 : 14,493.30 = 4,114.60 : x
  2. Step 2: Convert to fraction form
    9,661.30/14,493.30 = 4,114.60/x
  3. Step 3: Cross multiply
    9,661.30x = 14,493.30 × 4,114.60
  4. Step 4: Simplify right side
    9,661.30x = 59,634,132.18
  5. Step 5: Solve for x
    x = 59,634,132.18/9,661.30
  6. Step 6: Final answer
    x = 6,172.47

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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.