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Finding the Fourth Proportional to 46,806.30, 70,209.45 and 20,562.30

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Solution

The fourth proportional to 46,806.30, 70,209.45 and 20,562.30 is: 30,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,806.30 : 70,209.45 = 20,562.30 : x
  2. Step 2: Convert to fraction form
    46,806.30/70,209.45 = 20,562.30/x
  3. Step 3: Cross multiply
    46,806.30x = 70,209.45 × 20,562.30
  4. Step 4: Simplify right side
    46,806.30x = 1,443,667,773.74
  5. Step 5: Solve for x
    x = 1,443,667,773.74/46,806.30
  6. Step 6: Final answer
    x = 30,843.45

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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.