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Finding the Fourth Proportional to 9,969.54, 14,957.64 and 4,422.12

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Solution

The fourth proportional to 9,969.54, 14,957.64 and 4,422.12 is: 6,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.54 : 14,957.64 = 4,422.12 : x
  2. Step 2: Convert to fraction form
    9,969.54/14,957.64 = 4,422.12/x
  3. Step 3: Cross multiply
    9,969.54x = 14,957.64 × 4,422.12
  4. Step 4: Simplify right side
    9,969.54x = 66,144,479.00
  5. Step 5: Solve for x
    x = 66,144,479.00/9,969.54
  6. Step 6: Final answer
    x = 6,634.66

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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.