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Finding the Fourth Proportional to 14,417.76, 19,896.48 and 7,793.76

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Solution

The fourth proportional to 14,417.76, 19,896.48 and 7,793.76 is: 10,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.76 : 19,896.48 = 7,793.76 : x
  2. Step 2: Convert to fraction form
    14,417.76/19,896.48 = 7,793.76/x
  3. Step 3: Cross multiply
    14,417.76x = 19,896.48 × 7,793.76
  4. Step 4: Simplify right side
    14,417.76x = 155,068,389.96
  5. Step 5: Solve for x
    x = 155,068,389.96/14,417.76
  6. Step 6: Final answer
    x = 10,755.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.