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Finding the Fourth Proportional to 12,460.79, 18,696.15 and 5,065.82

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Solution

The fourth proportional to 12,460.79, 18,696.15 and 5,065.82 is: 7,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.79 : 18,696.15 = 5,065.82 : x
  2. Step 2: Convert to fraction form
    12,460.79/18,696.15 = 5,065.82/x
  3. Step 3: Cross multiply
    12,460.79x = 18,696.15 × 5,065.82
  4. Step 4: Simplify right side
    12,460.79x = 94,711,237.11
  5. Step 5: Solve for x
    x = 94,711,237.11/12,460.79
  6. Step 6: Final answer
    x = 7,600.74

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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.