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Finding the Fourth Proportional to 9,995.54, 15,003.02 and 4,805.06

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Solution

The fourth proportional to 9,995.54, 15,003.02 and 4,805.06 is: 7,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.54 : 15,003.02 = 4,805.06 : x
  2. Step 2: Convert to fraction form
    9,995.54/15,003.02 = 4,805.06/x
  3. Step 3: Cross multiply
    9,995.54x = 15,003.02 × 4,805.06
  4. Step 4: Simplify right side
    9,995.54x = 72,090,348.28
  5. Step 5: Solve for x
    x = 72,090,348.28/9,995.54
  6. Step 6: Final answer
    x = 7,212.26

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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.