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Finding the Fourth Proportional to 68,073.88, 102,048.54 and 28,633.76

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Solution

The fourth proportional to 68,073.88, 102,048.54 and 28,633.76 is: 42,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073.88 : 102,048.54 = 28,633.76 : x
  2. Step 2: Convert to fraction form
    68,073.88/102,048.54 = 28,633.76/x
  3. Step 3: Cross multiply
    68,073.88x = 102,048.54 × 28,633.76
  4. Step 4: Simplify right side
    68,073.88x = 2,922,033,402.71
  5. Step 5: Solve for x
    x = 2,922,033,402.71/68,073.88
  6. Step 6: Final answer
    x = 42,924.44

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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.