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Finding the Fourth Proportional to 34,657.76, 47,827.64 and 19,550.39

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Solution

The fourth proportional to 34,657.76, 47,827.64 and 19,550.39 is: 26,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,657.76 : 47,827.64 = 19,550.39 : x
  2. Step 2: Convert to fraction form
    34,657.76/47,827.64 = 19,550.39/x
  3. Step 3: Cross multiply
    34,657.76x = 47,827.64 × 19,550.39
  4. Step 4: Simplify right side
    34,657.76x = 935,048,677.89
  5. Step 5: Solve for x
    x = 935,048,677.89/34,657.76
  6. Step 6: Final answer
    x = 26,979.49

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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.