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Finding the Fourth Proportional to 45,683.56, 68,510.76 and 14,511.52

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Solution

The fourth proportional to 45,683.56, 68,510.76 and 14,511.52 is: 21,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,683.56 : 68,510.76 = 14,511.52 : x
  2. Step 2: Convert to fraction form
    45,683.56/68,510.76 = 14,511.52/x
  3. Step 3: Cross multiply
    45,683.56x = 68,510.76 × 14,511.52
  4. Step 4: Simplify right side
    45,683.56x = 994,195,263.96
  5. Step 5: Solve for x
    x = 994,195,263.96/45,683.56
  6. Step 6: Final answer
    x = 21,762.65

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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.