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Finding the Fourth Proportional to 9,997.04, 14,996.64 and 3,072.08

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Solution

The fourth proportional to 9,997.04, 14,996.64 and 3,072.08 is: 4,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.04 : 14,996.64 = 3,072.08 : x
  2. Step 2: Convert to fraction form
    9,997.04/14,996.64 = 3,072.08/x
  3. Step 3: Cross multiply
    9,997.04x = 14,996.64 × 3,072.08
  4. Step 4: Simplify right side
    9,997.04x = 46,070,877.81
  5. Step 5: Solve for x
    x = 46,070,877.81/9,997.04
  6. Step 6: Final answer
    x = 4,608.45

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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.