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Finding the Fourth Proportional to 7,014.51, 10,515.99 and 4,787.19

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Solution

The fourth proportional to 7,014.51, 10,515.99 and 4,787.19 is: 7,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.51 : 10,515.99 = 4,787.19 : x
  2. Step 2: Convert to fraction form
    7,014.51/10,515.99 = 4,787.19/x
  3. Step 3: Cross multiply
    7,014.51x = 10,515.99 × 4,787.19
  4. Step 4: Simplify right side
    7,014.51x = 50,342,042.17
  5. Step 5: Solve for x
    x = 50,342,042.17/7,014.51
  6. Step 6: Final answer
    x = 7,176.84

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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.