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Finding the Fourth Proportional to 12,627.46, 18,916.93 and 7,063.93

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Solution

The fourth proportional to 12,627.46, 18,916.93 and 7,063.93 is: 10,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.46 : 18,916.93 = 7,063.93 : x
  2. Step 2: Convert to fraction form
    12,627.46/18,916.93 = 7,063.93/x
  3. Step 3: Cross multiply
    12,627.46x = 18,916.93 × 7,063.93
  4. Step 4: Simplify right side
    12,627.46x = 133,627,901.81
  5. Step 5: Solve for x
    x = 133,627,901.81/12,627.46
  6. Step 6: Final answer
    x = 10,582.33

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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.