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Finding the Fourth Proportional to 10,330.97, 15,588.79 and 10,330.97

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Solution

The fourth proportional to 10,330.97, 15,588.79 and 10,330.97 is: 15,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.97 : 15,588.79 = 10,330.97 : x
  2. Step 2: Convert to fraction form
    10,330.97/15,588.79 = 10,330.97/x
  3. Step 3: Cross multiply
    10,330.97x = 15,588.79 × 10,330.97
  4. Step 4: Simplify right side
    10,330.97x = 161,047,321.83
  5. Step 5: Solve for x
    x = 161,047,321.83/10,330.97
  6. Step 6: Final answer
    x = 15,588.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.