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Finding the Fourth Proportional to 19,250.64, 28,858.64 and 6,935.76

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Solution

The fourth proportional to 19,250.64, 28,858.64 and 6,935.76 is: 10,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.64 : 28,858.64 = 6,935.76 : x
  2. Step 2: Convert to fraction form
    19,250.64/28,858.64 = 6,935.76/x
  3. Step 3: Cross multiply
    19,250.64x = 28,858.64 × 6,935.76
  4. Step 4: Simplify right side
    19,250.64x = 200,156,600.97
  5. Step 5: Solve for x
    x = 200,156,600.97/19,250.64
  6. Step 6: Final answer
    x = 10,397.40

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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.