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Finding the Fourth Proportional to 34,685.68, 47,889.68 and 22,769.28

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Solution

The fourth proportional to 34,685.68, 47,889.68 and 22,769.28 is: 31,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.68 : 47,889.68 = 22,769.28 : x
  2. Step 2: Convert to fraction form
    34,685.68/47,889.68 = 22,769.28/x
  3. Step 3: Cross multiply
    34,685.68x = 47,889.68 × 22,769.28
  4. Step 4: Simplify right side
    34,685.68x = 1,090,413,533.03
  5. Step 5: Solve for x
    x = 1,090,413,533.03/34,685.68
  6. Step 6: Final answer
    x = 31,436.99

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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.