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Finding the Fourth Proportional to 46,809.58, 70,212.84 and 18,722.10

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Solution

The fourth proportional to 46,809.58, 70,212.84 and 18,722.10 is: 28,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,809.58 : 70,212.84 = 18,722.10 : x
  2. Step 2: Convert to fraction form
    46,809.58/70,212.84 = 18,722.10/x
  3. Step 3: Cross multiply
    46,809.58x = 70,212.84 × 18,722.10
  4. Step 4: Simplify right side
    46,809.58x = 1,314,531,512.81
  5. Step 5: Solve for x
    x = 1,314,531,512.81/46,809.58
  6. Step 6: Final answer
    x = 28,082.53

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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.