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Finding the Fourth Proportional to 12,035.34, 18,051.34 and 3,715.63

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Solution

The fourth proportional to 12,035.34, 18,051.34 and 3,715.63 is: 5,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.34 : 18,051.34 = 3,715.63 : x
  2. Step 2: Convert to fraction form
    12,035.34/18,051.34 = 3,715.63/x
  3. Step 3: Cross multiply
    12,035.34x = 18,051.34 × 3,715.63
  4. Step 4: Simplify right side
    12,035.34x = 67,072,100.44
  5. Step 5: Solve for x
    x = 67,072,100.44/12,035.34
  6. Step 6: Final answer
    x = 5,572.93

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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.