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Finding the Fourth Proportional to 46,407.52, 69,611.28 and 11,346.76

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Solution

The fourth proportional to 46,407.52, 69,611.28 and 11,346.76 is: 17,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,407.52 : 69,611.28 = 11,346.76 : x
  2. Step 2: Convert to fraction form
    46,407.52/69,611.28 = 11,346.76/x
  3. Step 3: Cross multiply
    46,407.52x = 69,611.28 × 11,346.76
  4. Step 4: Simplify right side
    46,407.52x = 789,862,487.45
  5. Step 5: Solve for x
    x = 789,862,487.45/46,407.52
  6. Step 6: Final answer
    x = 17,020.14

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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.