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Finding the Fourth Proportional to 14,661.47, 21,990.08 and 4,801.14

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Solution

The fourth proportional to 14,661.47, 21,990.08 and 4,801.14 is: 7,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.47 : 21,990.08 = 4,801.14 : x
  2. Step 2: Convert to fraction form
    14,661.47/21,990.08 = 4,801.14/x
  3. Step 3: Cross multiply
    14,661.47x = 21,990.08 × 4,801.14
  4. Step 4: Simplify right side
    14,661.47x = 105,577,464.69
  5. Step 5: Solve for x
    x = 105,577,464.69/14,661.47
  6. Step 6: Final answer
    x = 7,201.01

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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.