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Finding the Fourth Proportional to 34,722.08, 47,916.24 and 18,806.16

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Solution

The fourth proportional to 34,722.08, 47,916.24 and 18,806.16 is: 25,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.08 : 47,916.24 = 18,806.16 : x
  2. Step 2: Convert to fraction form
    34,722.08/47,916.24 = 18,806.16/x
  3. Step 3: Cross multiply
    34,722.08x = 47,916.24 × 18,806.16
  4. Step 4: Simplify right side
    34,722.08x = 901,120,476.04
  5. Step 5: Solve for x
    x = 901,120,476.04/34,722.08
  6. Step 6: Final answer
    x = 25,952.38

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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.