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Finding the Fourth Proportional to 45,496.68, 68,264.88 and 15,935.72

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Solution

The fourth proportional to 45,496.68, 68,264.88 and 15,935.72 is: 23,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,496.68 : 68,264.88 = 15,935.72 : x
  2. Step 2: Convert to fraction form
    45,496.68/68,264.88 = 15,935.72/x
  3. Step 3: Cross multiply
    45,496.68x = 68,264.88 × 15,935.72
  4. Step 4: Simplify right side
    45,496.68x = 1,087,850,013.51
  5. Step 5: Solve for x
    x = 1,087,850,013.51/45,496.68
  6. Step 6: Final answer
    x = 23,910.54

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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.