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Finding the Fourth Proportional to 74,906.76, 112,366.86 and 19,503.24

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Solution

The fourth proportional to 74,906.76, 112,366.86 and 19,503.24 is: 29,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,906.76 : 112,366.86 = 19,503.24 : x
  2. Step 2: Convert to fraction form
    74,906.76/112,366.86 = 19,503.24/x
  3. Step 3: Cross multiply
    74,906.76x = 112,366.86 × 19,503.24
  4. Step 4: Simplify right side
    74,906.76x = 2,191,517,838.63
  5. Step 5: Solve for x
    x = 2,191,517,838.63/74,906.76
  6. Step 6: Final answer
    x = 29,256.61

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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.