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Finding the Fourth Proportional to 46,491.68, 69,735.84 and 13,211.68

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Solution

The fourth proportional to 46,491.68, 69,735.84 and 13,211.68 is: 19,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,491.68 : 69,735.84 = 13,211.68 : x
  2. Step 2: Convert to fraction form
    46,491.68/69,735.84 = 13,211.68/x
  3. Step 3: Cross multiply
    46,491.68x = 69,735.84 × 13,211.68
  4. Step 4: Simplify right side
    46,491.68x = 921,327,602.61
  5. Step 5: Solve for x
    x = 921,327,602.61/46,491.68
  6. Step 6: Final answer
    x = 19,817.04

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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.