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Finding the Fourth Proportional to 12,507.17, 18,755.28 and 5,935.23

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Solution

The fourth proportional to 12,507.17, 18,755.28 and 5,935.23 is: 8,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.17 : 18,755.28 = 5,935.23 : x
  2. Step 2: Convert to fraction form
    12,507.17/18,755.28 = 5,935.23/x
  3. Step 3: Cross multiply
    12,507.17x = 18,755.28 × 5,935.23
  4. Step 4: Simplify right side
    12,507.17x = 111,316,900.51
  5. Step 5: Solve for x
    x = 111,316,900.51/12,507.17
  6. Step 6: Final answer
    x = 8,900.25

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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.