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Finding the Fourth Proportional to 34,685.95, 51,997.69 and 12,483.71

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Solution

The fourth proportional to 34,685.95, 51,997.69 and 12,483.71 is: 18,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.95 : 51,997.69 = 12,483.71 : x
  2. Step 2: Convert to fraction form
    34,685.95/51,997.69 = 12,483.71/x
  3. Step 3: Cross multiply
    34,685.95x = 51,997.69 × 12,483.71
  4. Step 4: Simplify right side
    34,685.95x = 649,124,082.63
  5. Step 5: Solve for x
    x = 649,124,082.63/34,685.95
  6. Step 6: Final answer
    x = 18,714.32

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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.